1. Use the sum or difference formula to find the exact answer for sin(255°).

Q: Use a half-angle formula to find sin(). 11m 12 Simplify your answer completely.

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Q: 4. Apply half-angle formula to find a. cos 15° b. sin 15° C. COS

A: Given: cos15∘, sin15∘, cos5π8 We know that cos2x=cos2x-sin2x…

Q: Evaluate the expression under the given conditions. sin(0 – 9); tan(0) = , 0 in Quadrant III, sin(p)…

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Q: 4 e 3 Find the exact value of sin 20. 25 6 25 25 25

A: Given: sin 2θ=2 sin θ cos θ         =2 4535         =2425

Q: If sec ? = 16 , find sin ?. (This should be an exact answer, not a decimal approximation.)

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Q: What is cos 0 if 0 is an angle in the second quadrant and sin 0 = V3 7 A

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Q: Use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the…

A: To find: The value of sin 15°, cos 15°, tan 15°. Formula used: Half angle formula: sin θ=1-cos 2θ2…

Q: 2. Use a calculator to find an approximate radian angle measure rounded to the nearest 1,000th. a)…

A: Since you have posted multiple sub parts, as per our policy we will answer first three sub parts.…

Q: 13п What is the exact value of sin-(x) if x =cot 4 A 4 B 4 D 티2

A: Option (c) π2

Q: Find all angles, 0° 0 < 360°, that satisfy the equation below, to the nearest 10th of a degree. 9…

A: We need to find  x.

Q: 119 Suppose that is an angle in quadrant 4 and that cos B 2 Compute the exact value of 169 %3D (2).…

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Q: Evaluate the expression under the given conditions. sin(8 + 9); sin = 159 in Quadrant I, cos pa =-.…

A: To find sin(x+y)

Q: 25. Use the trigonometric ratio sin e= -0.2761 to determine which of the following is the correct…

A: Given is  Sin θ = -0.2761  So, thing to notice here is that, the value of sin θ is -ve  We know…

Q: Use the information given below to find sin (a -B). 3 with a in quadrant II 5' sina= 3 tan B= with B…

A: Given,        sinα=35, with α in quadrant II        tanβ=34, with β in quadrant III

Q: For this problem, let sin 6 = 60 and cos e = 11 %3D 61 > 61 » and find tan 0

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Q: Find the exact values of sin(2r), cos(2æ) and tan(2r) without solving for a. 1 If sin a and a is in…

A: Trigonometric  identities           Sin2x+Cos2x=1            Sin2x=2sinx cosx…

Q: Find the missing value to the nearest whole number. sin 17° = = %3D OA 1 ов 2 OC 7 OD.-7

A: We have to find x

Q: Find the smallest positive angle such that sin 2a = cos 3a %3|

A: As per our guidelines we can solve only one question. Rest question can be reposted.  Here in…

Q: 7. Find the exact value of tan 6 + sin 0 for the angle 0 shown. 3

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Q: 2. Demonstrate that the double angle formula for sin2x is derived from the compound angle formula…

A: Double angle formula for sin2x is sin2x=2sinxcosx. and compound angle formula for sin(a+b) is…

Q: If sin u = 5/13 and cos v = -3/5 and u and v are in Quadrant 2, find the exact answer a. sin (u - v)…

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Q: Use the given information to find the exact value of : a. sin 2θ b. cos 2θ c. tan 2θ.

A: we have been given that cosθ=2425, θ lies in quadrant IV we have to find the value of (a)sin2θ…

Q: 19 21 Choose the function that could be used to find the measure of the angle with the "?". sin COS…

A: Given: A right-angled triangle with hypotenuse 21 units, and a side as 19 units. From the unknown…

Q: Find cos (2 θ) , if sin θ=15/17 and θ lies in quadrant I

A: sin² (x) + cos² (x) = 1 cos(2x) = cos² (x) - (1 - cos²(x)) = 2cos²(x) - 1

Q: Evaluate the expression under the given conditions. 2/5 sin(0 + ¢); sin(0) O in Quadrant I, cos(ø) =…

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Q: Find the exact value, if possible, sin-1 (sin 3π/2)

A: The given expression is sin-1sin3π2. It is known that for any value of x, sin-1sinx=x

Q: Answer the following completely. Given: tan α = = 2√6, cos ß = 1. csc a 3 I 5' αε[0,π] sin p < 0…

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Q: Use an addition or subtraction formula to find the exact value of VA(VB + 1) 19 sin 12 4 A В -

A: We are given that., Sin (19π/12) = - [√A(√B+1)]/4 We have to find the value of A and B A = ? B = ?

Q: 2. If sin 0 = and e is in the second quadrant, find tan, 0.

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Find the exact value of Sin 20 given that 28 and e is in quadrant I. CosO =- 53 Sin 20=

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Q: 2. Apply the compound angle formulas to solve the following: a) tan 750 (in degrees) b) cos (+)

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Q: tan(a+β) ; cosα = −(11/61) for α in Quadrant III and sinβ = −(63/65) for β in Quadrant IV

A: To find: tan(α+β)

Q: Use the figure below to find the exact value for sin(45°) . 2 2 2/2 O 2 V2 2 O 1 O v2

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Q: If cos(θ)=−1/19cos and θ is in the 3rd quadrant, find the exact value of sin(θ)

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Q: Evaluate the expression under the given conditions. cos(2?); sin(?) = − 7/25, ? in Quadrant III

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Q: in a right triangle cos(b)=1/2, what is the value of sin(a)

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Q: Find the exact value of : a) cos 60° = b) tan c) sin 45° = 4 e) sec0° = d) cos T =

A: Lets find exact value of given trigonometric function.

Q: If sin A = 15/17, sin B = 5/13, cosA = 8/17, andcosB = 12/13, what is the exact value of sin(A – B)…

A: Here we find the value of Sin(A-B)

Q: 3VTO Given that sin(0) and 0 is in Quadrant II 10 what is sin(20)?

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Q: For what angles 0 between 0° and 360° is cos 0 = sin 0 true?

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Q: Evaluate the expression under the given conditions. sin(8 + 9); sin 8 = 8 in Quadrant I, cos 22√5 85…

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Q: Find the exact values: a.   sin(2pi/3)+sin(5pi/4)   b.  sin (23pi/12)

A: Given  a) sin2π3+sin5π4 b) sin23π12 To find the exact values.

Q: 24 Given that sin(0) =- and 0 is in Quadrant III, what is cos(20)? %3D 25

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Q: b) If sin e = 0.625 and cose = 0.500, determine, without using trigonotric tables or calculators,…

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Q: 11 ,0<a< 61 3. If sin(a) Find sin()

A: If sin(alpha)= 11/61 then find sin(alpha/2)

Q: 4. s in quadrant C

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Q: Find tan(0) + sin(0) for the angle 0 shown. 3.

A: Given figure, We find tan(θ) + sin(θ)

Q: Use the given information to find the exact value of: a. sin 2θ   b. cos 2θ   c. tan 2θ.

A: Given: sinθ=-23, θ lies in quadrant III. To determine: The exact value of  a. sin2θ b. cos2θ c.…

Q: Given that 16cot A = 12:Find the value of sinA + cos A sinA – cosA -

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Q: 8. Given that sin 0 = , and the angle 0 is in the first quadrant, find the value for cos 0.

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