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Let P, Q, R, and S be the terminal points on the unit circle below:

Let a, b, c, and d be angles such that P = Terminal point for a, Q = Terminal point for b, R = Terminal point for c, and S = Terminal point for D.

 

a) Order the angles a, b, c, and d such that their sines are in increasing order.

b) Order the angles a, b, c, and d such that their cosines are in increasing order.

c) Order the angles a, b, c, and d such that their tangents are in increasing order.

 

Could someone provide an explanation for this? I'm really confused. Thank you!

 Jan 2, 2024
 #1
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This is AoPS homework.  Do not post AoPS homework.

 Jan 2, 2024

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