Integration. So, we have to divide 870 ° by 360 and take the remainder.5 Kalkulator cosinus (cos) online. (a) 4e20e cos (2t 36. Step by step Solved in 2 steps with 2 images. So, we have to divide 870 by 360 and take the remainder. Example 2: Evaluate: cos( – 870 o) Solution: cos( – 870 o) = cos(870 o) [as cos ( –휃) = cos 휃 ] = cos ( 2 × 360 o + 150 o) = cos 150 o [as cos (2n휋 + 휃) = cos 휃 ] = cos ( 180 o – 30 o. Similar questions. Use integers or fractions for any numbers in the expression.3 - 3√− spets erom rof paT .74°)]u (t) (c) [30t 8+ 10e -3t cos (t 36. Hence the value of cos 127° = x = -0. cos870^o=-sqrt3/2 As trigonometric ratios get repeated over a cycle over 2pi or 360^o.870)]u (t) In the fourth quadrant, "cos" is positive.) ⇒ 870 degrees = 870° × (π/180°) rad … cos870o =− 23 Explanation: As trigonometric ratios get repeated over a cycle over 2π or 360o . The period of trigonometric functions is 360 degrees. So, we … Davneet Singh has done his B. Cos 870 degrees can also be expressed using the equivalent of the given angle (870 degrees) in radians (15. Solve trigonometry. cos ( 2670 °) = cos ( 2670 - 360 °) Along the same lines, using the aforementioned form, can you look up terms such as cos 150° value, cos 150, cos150° value and what is the cos of 150 degrees, just to name a few.) sin( – 870°) = cos( – 870°) = %3D - Expert Solution. Use integers or fractions for any numbers in the expression. Electrical Engineering questions and answers. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. The value of sin 870° is equal to the y-coordinate (0. .
 - 870° sin ( - 870°)= cos ( - 870°) = 0 tan ( - 870°)= (Simplify your answers
.Tech from Indian Institute of Technology, Kanpur. (Decimal answers are not accepted. Round the answers to 5 decimal places. When 870 ° is divided by 360, the remainder is 150 °. That means their trig functions have an exact form consisting of integers composed via addition, subtraction, Practice Finding Exact Trigonometric Values using Special Angles with practice problems and explanations. cos ( 3030 °) = cos ( 3030 - 360 °) Subtracting one integer from another. : fo oitar etacilpirt dna etacilpud fo eulav eht dnif ecneH . . The given 870 ° is greater than 360 °. Suggest Corrections. = sin 30 ° ∵ sin 180 - θ = sin θ. Check out a sample Q&A here.) csc ( - 870°)= 0 sec ( - 870°)= 0 cot cos870o =− 23 Explanation: As trigonometric ratios get repeated over a cycle over 2π or 360o . Therefore, 870 ° = 150 ° -----> cos 870 ° = cos 150 ° cos 870 ° = cos (180 ° - 30 °) cos 870 ° = - cos 30 ° cos 870 = - √3 / 2 To show 87 0 ∘ 870^{\circ} 87 0 ∘ on unit circle, we have to plot the point (cos ⁡ 87 0 ∘, sin ⁡ 87 0 ∘) \left(\cos{870^{\circ}}, \sin{870^{\circ}}\right) Linear equation. 1. Given the periodic property of cosine of 150°, to determine the cosine of an angle > 360°, e. tan 7051'44" The angle 480°, coterminal to angle 120°, is located in the Second Quadrant (Quadrant II). sin 150 ° = sin 180 ° - 30 °. Question: 9 What is the exact value of the trigonometric function cos (-870°)? 177 10 What is the reference angle for an angle that measures radians? 71 A B с D 11 A cable holds an 80-foot pole straight upright, as shown. Arithmetic.

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In the fourth quadrant, "cos" is positive. See solution. Hence cos870o =cos(360o ×2+150o) = cos150o How to find cos87° without … Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step Use this cos calculator to easily calculate the cosine of an angle given in degrees or radians. To find the value of cos 127 degrees using the unit circle: Rotate ‘r’ anticlockwise to form 127° angle with the positive x-axis. = 1 2 ∵ sin 30 ° = 1 2. 870°, calculate cos 870° as cos (870 Mod 360)° = cosine of 150 Sine and cosine are written using functional notation with the abbreviations sin and cos. The cos of 127 degrees equals the x-coordinate (-0. Hence, the exact value of cos 150 ° = - 3 2 and sin 150 ° = 1 2.. Exact Form: −√3 - 3. Knowledge Booster. Hence … Since the given angle (-870 °) has negative sign, we have to assume it falls in the fourth quadrant. Similarly, cos 480° can also be written as, cos 480 degrees = (480° + n × 360°), n ∈ Z. . Tekan tombol "Hitung" untuk menampilkan hasil kalkulasi.7986) of unit circle and r. So, we have cos (-870 °) = cos 870 °.73205080 ….1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation and CBSE, UP Board, Bihar Board, Rajasthan Board, MP Board, Telangana Board etc Here, the value of cos 870° is equal to -0. So, we have cos (-870 °) = cos 870 °. . Matrix. Cos dari x adalah: $$\cos{(x)}$$ Masukkan nilai x (dalam derajat atau radian) untuk menghitung nilai dari cos(x).8660254. : fo eulav eht dnif 0 = 2 6 – 7 – 2 3 fI .18436 . Decimal Form: −1. Calculate the value of the cos of 770 ° To enter an angle in radians, enter cos(770RAD) cos(770 °) = 0. Determine the sine, cosine, or tangent functions of the following angels. Limits.. Similarly, cos 780° can also be written as, cos 780 degrees = (780° + n × 360°), n ∈ Z. Differentiation.° 063 063 dna ° 0 0 neewteb si elgna eht litnu ° 063 063 fo snoitator lluf evomeR )078 ( soc )078( soc )078( soc eulaV tcaxE eht dniF yrtemonogirT. Make the expression negative because cosine is negative in the second quadrant. Hence, all other trigonometric functions are cos 휃 = – ⅗, tan 휃 = 4/3, cot 휃 = ¾, sec 휃 = – 5/3 and cosec 휃 = – 5/4. He has been teaching from the past 13 years.5) on the unit circle. The given 870 ° is greater than 360 °. Type exact answers, using radicals as needed. ⇒ cos 480° = cos 840° = cos 1200°, and so on. Evaluate: cos 870^@ Doubtnut is No. 12. Simultaneous equation.Except where explicitly … Trigonometry.866, 0.

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73205080… - 1. cos(150) cos ( 150) Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Get instant feedback, extra help and step-by-step explanations. … The value of cos 870 degrees in decimal is -0. The given 870 ° is greater than 360 °. The cosine is encountered in geometry problems involving right triangles, circles, and others where cos(x) can be calculated.6018) of the point of intersection (-0. Question: Find the exact values of the six trigonometric functions of the angle. Boost your Trigonometry Find the exact values of the six trigonometric functions of the angle. Solve your math problems using our free math solver with step-by-step solutions. When 870 is divided by 360, the remainder is 150. Simplify terms. A. Free trigonometry calculator - calculate trignometric equations, prove identities and evaluate functions step-by-step What is the value of cos (870) ? The value of cos (870) is - (sqrt (3))/2 \displaystyle{{\cos{{870}}}^{{o}}=}-\frac{\sqrt{{3}}}{{2}} Explanation: As trigonometric ratios get repeated over a cycle over \displaystyle{2}\pi or \displaystyle{360}^{{o}} . Hitung nilai cos dari sudut x (derajat atau radian). ⇒ cos 780° = cos 1140° = cos 1500°, and so on. So, we have cos (-870 °) = cos 870 °. He provides courses for Maths, Science, Social Science, Physics, … The angle 780°, coterminal to angle 60°, is located in the First Quadrant (Quadrant I). Find the Exact Value cos (510) cos (510) cos ( 510) Remove full rotations of 360 360 ° until the angle is between 0 0 ° and 360 360 °. Rationalize any denominators. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. - 870° sin( - 870°)= cos( - 870°) = 0 tan( - 870°)= (Simplify your answers. cos ( 3030 - 360 °) = cos ( 2670 °) The period of trigonometric functions is 360 degrees..5.6018, 0. How to Find the Value of Sin 870 Degrees? The value of sin 870 degrees can be calculated by constructing an angle of 870° with the x-axis, and then finding the coordinates of the corresponding point (-0. Hence cos870o =cos(360o ×2+150o) = cos150o Multiples of three degrees are constructible with a straightedge and compass. Therefore, 870 ° = 150 ° Then, cos 870 ° = cos 150 ° cos 870 ° = cos (180 ° - 30 °) cos 870 ° = - cos 30 ° Step 2: Compute the exact value of sin 150 °: We can find the value as.866025403.g. cos(150) cos ( 150) Apply the … Explanation: As trigonometric ratios get repeated over a cycle over 2π or 360o.6 Find f (t) for each of the following functions: (30 Points) 20s2 +16s+12 (s+1) (s2 +2s+5) (b) F (s) s (s2 +14s+50) (c) F (S)+65+10) 100 (s+3) F. Step-by-step explanation.870)]u (t) (b) [490 +250ecos (t 163.642787609686539 Cosine the trigonometric function that is equal to the ratio of the side How do you evaluate \displaystyle{\cos{{870}}} ? Engineering. Often, if the argument is simple enough, the function value will be written without parentheses, as sin θ rather than as sin(θ).6018 (approx) The Cosine function ( cos (x) ) The cosine is a trigonometric function of an angle, usually defined for acute angles within a right-angled triangle as the ratio of the length of the adjacent side to the hypotenuse.5. Since cosine function is negative in the 2nd quadrant, thus cos 480 degrees value = - (1/2) or -0. Each of sine and cosine is a function of an angle, which is usually expressed in terms of radians or degrees.gnireenignE lacirtcelE . It is the … This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. The result can be shown in multiple forms.0 ro 2/1 = eulav seerged 087 soc suht ,tnardauq ts1 eht ni evitisop si noitcnuf enisoc ecniS . Type exact answers, using radicals as needed.