2. The terminal side of an angle in standard position intersects the unit circle at point (+,-). What is the exact value of tan (0)? O-√3 0- 0-3 O +

Q: Find the value of tan2x, π/2˂x˂π, given secx=-5/4

A: We use formula of tan2x1. tan 2x = (2tan x) / (1 - tan^2 x).2.sec x = 1 / cos x. 3.sin^2 x + cos^2 x…

Q: 4. Simplify, using the double-angle formulas: 1-2 sin² (15⁰)

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Q: Make the trigonometric substitution x=atanθ for −π/20. Simplify the resulting…

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Q: Use the properties of the trigonometric functions to simplify: tan(t +7) · csc(t + 47).

A:

Q: 1 (a) Suppose A and B are two angles whose sum is 180 degrees. Show that chord2A and chord2B=4R2…

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Q: 2. Simplify, without a fractional answer: 2(1 - cos²x) sin³ x(cos²x+ sin² x)

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Q: sin (tan- ()) :

A: Trigonometric identities help to find the value of the given expression. Inverse trigonometric…

Q: Give the exact value of sin(20).

A: