If sin = O a) 1/ Ob) _42 4√2 Oc) 4√2 Od) - O e) _4V/2 9 - 4√2 and is in quadrant IV, find sin (20). Of) cannot be determined

Q: find the indicated power. Write the answer in standard form 1)  [2(cos30° + i sin 30°)]8 9) (1 -…

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Q: 20 Suppose that sec(0) = = and tan(4) = -. If sin(0) 0: %3D a) Find sın(0 + p): b) Find tan(0 + ¢):…

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Q: Rewrite the expression as a sum or difference a) sin52.5° sin97.5° b)prove the identity…

A: Hey, since there are multiple questions posted, we will answer the first question. If you want any…

Q: sin 6r Use the half-angle formulas to simplify the expression, 1+cos 6x sin23x + tan3x tan12x 1-…

A: Using half angle formula's.

Q: find all angles x between 0degrees and 180degrees satisfying each equations.  a) sinx = 3/5 b)…

A: Given: (a) sinx=35

Q: a) 6(sin15degrees)(cos15degrees) b) sin(7pi/12)sin(13pi/12)-cos(7pi/12)cos(13pi/12) evaluate each…

A: Part a,          6sin15°cos15°We know that,         The double angle trigonometric formula is given…

Q: Let 7,-3) be a point on the terminal side of 0. Find the exact values of sin 0, sec0, and tan 0.

A: Let theta be the angle made by line joining origin and given points (7½,+3),with respect to…

Q: Cos R = -0.67. Determine <R. a) 50 degrees b) 130 degrees c) 120 degrees d) 132 degrees

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Q: Find the exact value of the product sin 52.5° sin 7.5°. Which of the following is the exact value…

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Q: 11) cos x csc X tan x - 1 11) 12) cos2x - sin2x = 1 - 2 sin²x 12)

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Q: 85. Evaluate cos (90° – sin-1) a) + V15 2-V15 b) unde fined c) +V15 4-V15 2-V15 d) + e)

A: Given:

Q: \40° 10 In the right triangle shown, find x. 10 A) cos(40) cos(40°) 10 B) 10 C) sin(40) sin(40) D)…

A: To find the value of side x

Q: Prove that an angle of θ radians is constructible if and only if the real number cosθ(sinθ)…

A: Since θ is constructible, by definition, (cosθ, sinθ) is a constructible point.

Q: Show sin 3A = 3 sin A cos²A - sin A.

A: Explanation: Given that: sin3A=3sinAcos2A-sinA Concept: sin3A=3sinA-4sin3A sin2A+cos2A=1

Q: c) cos (315 °) d) sin (-30°) e) cos (330°) f) tan (150°) g) sin (225°) h) cos (210°)

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Q: If A is an angle in QIV such that sin A = to find cos A = cos B = sin (A - B) = cos(A - B) = = 27 3…

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Q: Show that sin 2x Þ 2 sin x by substituting 30 degree for x and then simplifying both sides.

A: To prove: sin2x≠2sinx For x=30°

Q: The question says: "Find sin(x/2), cos(x/2) and tan(x/2) from the given information: cscX=3,…

A: Refer to the question we have to find the sin(x/2), cos(x/2) and tan(x/2) from the given…