Use periodic functions to find exact value sin 855° Use periodic functions to find exact value cos 14π/3

Q: Find cos(x) if sin (x) = -3/4 and -pi/2 < theta < 0 use exact values, not decimal approximations.

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Q: Find the exact value of the indicated trigonometric function of 0. 2 cos 0 = =, tan 0 < 0 Find sin…

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Q: 2 and tan a <0, find the exact value of sin(2a) 3 If sina =

A: Here we have the value of sine function. Sine function and tan function is negative implies that the…

Q: Find the exact value. a. sin ( tan-1 24. cos (sin-1 (-) T c. cos(tan-1 2) | OS

A: We can find the answer as below.

Q: A water wheel rotates through'the angle x, the water level L behind the wheel changes according to…

A: To Find:- Values of x for which water level, L, is zero where L=1-sin x-2 cos2 x We put L=0 and find…

Q: Find the exact value of cos(a - B) given that sina 4 and cos3 for 8. %3D a in Quadrant III and 3 in…

A: Given: sinα=-45 and cosβ=-58. Here, α is in 3rd quadrant and β is in 2nd quadrant. cosα-β is given…

Q: 3 · et sin A = - with A in the 5 third quadrant. Find sin 24 and A cos-

A: When A is in 3rd quadrant, both SinA and CosA are negative.

Q: Find the exact value of sin 15◦ .

A: ANSWER:

Q: Sin(10.68)=Cos( ? ) Round answer to the nearest hundredth (2 decimal places).

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Q: Use half-angle formula to find exact value of cos 15°

A: Given,          cos15°We know that,         cosθ2=1+cosθ2

Q: 00 If cos(0) = what is sin(0)- %3D

A: Given: cosθ=817

Q: Find the exact value of tan (2 cos-1

A: We can solve the problem by applying trigonometric ratio.

Q: Give the exact value of sin (cos ()). 3

A: The objective is to find the exact value of the trigonometric function.

Q: Find the exact value of sin(π4). sin(Pi/4) =

A: We will find the exact value as following.

Q: Can you give me the exact solution (no decimals) please

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Q: Find the exact value of cos 0, given that sin 0 = -. 11 and 0 is in the third quadrant.

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Q: 1. Evaluate the value of sin (Arctan(-4/3) + Arccos(-5/13))

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Q: Find the exact value of cos 2 .... cos 2 (Type your answer in radians.)

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Q: sec & 50 given in the interval TT find The exact values Of ) sin20 b) cos 20 ¢) tan20 a

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Q: If sin a 0.564 and sin ß = 0.849 (both = angles are acute), Your answers should be accurate to 3…

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Q: find the exact value of sin(2θ), cos(2θ), tan(2θ), and the quadrant of 2θ. sin(θ)=-(√10)/10), θ in…

A: Given,

Q: Use half-angle formula to find exact value of cos 15°.

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Q: 4. Find the exact value of sec (585°). 5. Find the exact value of (sin 150°)? + (cos 150°)².

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Q: If cos 0 7 and 0 is acute, find the exact value of tan 0.

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Q: Evaluate the exact value of cos sin 61

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Q: 2 If sin 0= - 0 in quadrant I, find the exact value of 5' Cos ()

A: Given that: sinθ=25 and θ lies in quadrant II.

Q: 1 If cos(0) and 0 is in the 1st quadrant, find the exact 7 value for sin(0). sin(0) = %3D

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Q: Find the exact value.  (a) arctan (−√3/3)

A: Given: tan-1-33 we know that tan-1-x=-tan-1x                                                  ..1…

Q: 1 For y = - 3 cos 9. Give exact radians using T. the amplitude is the period is

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Q: Find a value of x that satisfies the equation cos (-1°) = sin (x). Submit

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Q: 1. What is the exact value of: sin(arctan (-}) + cos-!(÷))

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Q: 9. and tan 0<0. 7 Find the exact value of cos 0 and cot0 given csc 0

A: It is given that ,                  cosecθ=97we have to find the value of cosθ and cotθ. we draw a…

Q: Evaluate sin(cos^−1(5/13)), giving your answer as an exact value (no decimals)

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Q: (8) Find the exact value of cos(tan-1(14/3)) by sketching the appropriate right triangle.

A: Given, cos(tan-1(14/3)) = ?

Q: Use a sketch to find the exact value of the expression cos (sin-1 4/5)

A: given expression: cossin-145we have to find the exact value of the expression

Q: Find the exact value for cos 75 degree

A: we have to find the exact value of cos75∘

Q: () 15 Find the exact value of tan cos 17

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Q: Find a value of x that satisfies the equation cos 72° sin (x). %3D Submit

A: We use complementary angles formulas cos(90-x)=sin(x)  sin(90-x)=cos(x)

Q: Use Cos(A-B) to derive a formula for Sin(A-B) Hint:use co-functions

A: We have to find the formula

Q: Find the values of the trigonometric functions of 0 from the information given. cos(0) sin(0) < 0 17

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Q: 5. 9. If cos A= with 0 < A < n, find sin 2A and cos 2A. 13 10. Use the HAI to find the exact value…

A: 9) Given that,  cos A = -5  13   with 0&lt; A &lt; π To find the sin 2A and cos 2A cos2 A = 1- cos…

Q: Find the exact value. sin(570°) = %3D cos (570°) % = COS

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Q: Value of cos15° sin15°| is: sin 15° cos15 (a) 1 (d) none of these Select the correct response: a

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Q: Find the exact value.

A: Given data:     The given trigonometric expression is: sin(sin-1(-31/2/2)).     The given expression…

Q: Find sinθ when cosθ=0.618 and tanθ<0.

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Q: If cos(0) 1 and 0 is in the 1st quadrant, find sin(0) 5 sin(0) = |

A: As per our guidelines we are supposed to answer only one question. Kindly repost other question as…

Q: Find the exact value. sin(570°)= cos(570°)=

A: Consider the following formulae: sin360°+θ=sinθcos360°+θ=cosθsin180°+θ=-sinθcos180°+θ=-cosθ Consider…

Q: Find the exact value of cos(sin-G)) COS

A: (i) The objective is to find the exact value of cossin-112. (ii) If sinα=35 and α is in Quadrant II…

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.