21 Зл 18. If sin = and ≤0<- then tane is equal to: and s 29 2 2 21 A. tan 8 = = 21 20 B. tan 0 = -- 29 C. tan0=- 29 21 21 D. tane == 20

Q: 10. Sec -405 degrees 12. Cot -90 degrees 14. cos 360 degrees  16. sin -225 degrees

A: 10)

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A: We will evaluate the trigonometric expression in the following step.

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A:

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A: The given equation,csc2x-1sinx=cotx cosx

Q: 3.) Use Valve an identity to find the the expression.. of the Sec²80-tan ²80 ?

A:

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A: Given: (a) sinx=35

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A: .Given thattan2θ=1-a2prove thatsecθ+tan3θ cosecθ=(2-a2)32

Q: 4) tan X 40 32 24 6) sin A 32 24 40 8) sin C 48 14 C 50

A:

Q: Which of the following expression(s) is/are undefined? You must select ALL correct answers! A) sec…

A:

Q: 5 3元 1.) If cos(0): = and 2 <0≤2л, find the exact values of sin (0) and sin (20) using identities…

A:

Q: 43) B Find tan 0. 5 8 4 A

A:

Q: Use the figure to derive the formulas for sin cos and tan sin -- COS Cos e sin 0 1- cos 0 2 Great…

A: You just need to use the 2 equation. Sin(0/2)/cos(0/2)0 is supposed to be theta