22. Use trig identities to simplify the following expressions: 22a. cot θ csc θ, 22b. csc(α) cos(α) tan(α), 22c. tan2 x(1+cot^2x)

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Q: 12. Find the following: a) sin ¹(sin(3π/4)) b) tan(cos(-2/3)) c) sin¹(cos(4π/3)) d) sine = -4/7, e…

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Q: 20. a = (3,2), b = (-2, -3)

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Q: Find the sine, cosine, and tangent of 62.4°.     Please solve step by step

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A: To determine the lengths x (adjacent side) and y (opposite side) to 3 decimalplaces of the triangles…

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Q: 86. (a) 2 sin 74° sin 24° (b) 8 sin 18x cos 13x

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Q: Note: Give exact answers. Do not use decimals. Your answer should be a fraction should be entered as…

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Q: 18 sc (sin-¹ 16) 30 CSC

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Q: If Cos √3 2 calculate the value of O = and tan 0 = . where 00 < 2TT.

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