How do you find the 6 trigonometric functions for pi/2?

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How do you find the 6 trigonometric functions for pi/2?

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Answer 1 · 2015-09-15T14:42:24

If P(x,y) submits $alpha$ at the centre of unit circle, x = cos $alpha$ , y = sin $alpha$ , tan $alpha$ = y/x. etc.
For $alpha$ = $pi/2$ , x = 0, y = 1. $=>$ cos $pi/2$ = 0, sin $pi/2$ = 1 and tan $pi/2$ = 1/0 (undefined)

Explanation:

csc $pi/2$ = 1,sec $pi/2$ = 1/0(undefined) and cot $pi/2$ = 0.

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How do you find the 6 trigonometric functions for pi/2?

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