Simplify the following: sin 75° cos 75° 5.2.1 cos(45°-2x).cos 2x - sin(45° -2x) sin 2x sin(360°-x)(1-cos² x) 5.2.2 tan(-x)cos(90°-2x)

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A: 1). cos2(43π​)=21​  2). cos(−0°)=1       Explanation:

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Q: tan (217 a) + tan (-a −20π) + tan 11 sin 7π 2 - sin² (a 3π -) - cos² (a + Sz) 2 2

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A: The objective of this question is to find the value of the given expression (3√-3)(-7√-12).

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A: The objective of the question is to factorize the given expression 64u^2 - 81w^2.

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A: The given equation is

Q: Question Watch Video 40 For positive acute angles A and B, it is known that tan A = and cos B = 28.…

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Q: 2 banx -tan³x 7 COS X = COS ³x 2cas x-1 =Casy+Sinx QSX-Sinx

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Q: 2, 3π cot²( -B) if sin 2ẞ 4 5

A: See the attachment.Explanation:

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Q: 1. Find the exact value of sin(x − y) if sin(x) π < X < 3π 3π 2' 2 <y< 2π = 24 —, sin(y) = — 25

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A: The objective of this question is to simplify the given expression: (5*sqrt(-3))*(-7*sqrt(-12)).

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Q: Solve the following equation on the given interval. csc³ x-4cscx=3-cot² x; [1,2) X;

A: csc3⁡x−4csc⁡x=3−cot2⁡x;[π,2π)

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A: Explanation of the answer is as follows

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Q: Question 41: Simplify: Secx x Secx = sec²x Tanx Secx tanxseck

A: To simplify

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Q: 2. Find the exact value of tan 30° (6sin 135 +4 cos 210'), giving your answer in the form a+b√6.

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