The value of sin30° × sin30° is: O 1/2 O 1 O 1/4

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: Use a sketch to find the exact value of the following expression. 8. sin-1 10 COS

A: We have given a function;

Q: Use a calculator to find an approximate value for each expression,rounded to two decimal places.…

A: To evaluate: sin-1(0.7) Solution: sin-1(0.7) On simplifying further we get:…

Q: Use the figure to find the exact value of each trigonometric function. 12 16 (a) sin(을) (슬) (b) cos…

A: according to our guidelines we can answer only three subparts, or question and rest can be reposted.…

Q: Find the exact value of each expression: (a) sec(arctan(2)) (b) cos(2 sin 13 (a) (b)

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Q: Use the formula for the cosine of the difference of two angles to verify the identity.

A: To prove: cosx-5π4=-22cosx+sinx

Q: Find a cofunction with the same value as the given expression sin 46°

A: We will use the formula sin(x)= cos(90°-x)   Here, x=46°

Q: Find the exact value of the expression. 1 COS 11a sin

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Q: Use the appropriate compound angle formula to determine the exact value of each expression. cos (T-)…

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Q: Find the exact value by using a sum or difference identity. 1. cos 285° 2. sin 165°

A: To find exact value of cos 285°. Use the difference identity  .

Q: Find the exact value of each expression.

A: the given expression is: sinsin-112+cos-10 we have to find the exact value of the given expression.

Q: In a right triangle, cos (6x)° = sin (10x + 2)°. Find the smaller of the triangle's two acute…

A: We know, sinθ=cos(900-θ)

Q: TT Find the exact value of sin cos 3*

A: The required value of the product of the sine function cosine function can be found with the help of…

Q: Given sine = -5/13 and cose < 0, determine tane O -12/5 O 12/5 O 5/12 O -5/12

A: Solution ) sin(thetha) = -5/13 and cos(thetha) &lt;0 Sin thetha is ( - ) and cos (thetha) &lt;0 that…

Q: Consider the equation sin (x + ) = 2 cos (x – ). a Use compound-angle formulae to show that tan x =…

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Q: fies the equation sin 47° Co ( %3D

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Q: sin 0° is equal to cos 45°

A:

Q: Use the figure to find the exact values of sin(2u), cos(2u), and tan(2u). X sin(2u) = cos(2u) =…

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Q: find the value of 0 sin(55) = cos(0)

A: The solution is given below in the next step:

Q: Use a sum or difference formula to find the exact value of the following. TC sin CoS 15 COos 15

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Q: Given tan θ = - 1/3 and cos θ &lt; 0, find sin θ and sec θ.

A: To find sinθ and secθ

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: Given: tan a = 216, 3 5' cos ß = αε[0,π] sin ß<0 Find the numerical value of: 1. tan 2 B

A:

Q: find the exact value of each expression.

A: a. sin-112=π6    ∵sinπ6=12   b. sin-112=π4    ∵sinπ4=12

Q: Given sin(-2.5 degrees)= -0.0436, approximate cos(92.5 degrees)

A: Given,             sin(-2.5∘)= -0.0436

Q: Find the exact value of the following expression. sin-'(1)

A:

Q: Find the exact values for sin 0, cos 0, and tan 0. 37 12 9.

A:

Q: Find the exact value of each expression.   a)  sin-1(√3/2)     b) cos-1(-1)

A: sin-1(32)=π3sin-1(32)=60°

Q: In a right triangle, sin(x)-8/17. What is cos(x)?

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Q: Use a sum or difference formula to find the exact value of the following. TC Cos cos sin - 5 15 15

A:

Q: Find the exact value of each expression. sin 1 (a) 2 cos(-) (b) COS 2 tan (1) (c)

A: we know that Range  of sine inverse function is[-pi/2,pi/2]. sin(pi/3)=sqrt3/2 and value of sine…

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: Find the exact value of cos-1(tan 3pi/4)

A: Answar is pie.

Q: Find the exact value of the expression. cos(sin": V+ cot-1 V3)

A:

Q: Find the value, correct to 3 decimal places for each expression: (a) sec(arctan(2)) (b) cos(2 sin-()…

A:

Q: Use the formula for sin (A + B) to find the exact value of sin 75 degree

A: Given : sin75°

Q: FIND THE EXACT VALUES OF EACH EXPRESSION sin (-4pi / 3)

A: the given expression is: sin-4π3 we have to find the exact value of the given expression.

Q: Find the exact values for sin 0, cos 0, and 109 60 91

A: We can find the answer as below

Q: Use the given conditions to find the exact value of the expression. sin(a) = – 13 tan(a) > 0, sin a…

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Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. cos (2)

A:

Q: Find the exact value of each expression. 4. V13 cos sin¬! 7

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Q: 15) 10sin?x - 7 cos x = 6

A:

Q: If Sin A = , then find the value of Sin ( A-30).

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Q: Find the value, correct to 3 decimal places for each expression: (a) sec(arctan(2)) (b) cos(2…

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Q: 7) sin Z 32

A: we use Trigonometry ratios

Q: tan(cos-"() The value of 6 –. is sin(30º)

A:

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: 11) sin-! 2

A:

Q: Use the formula for cos (A + B) to find the exact value of cos 75 degree

A: Given The expression is cos 75°.     Formula :- cosA+B=cos A cos B- sin A sin B