How do I solve : COT pi/4 ...?

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asked Mar 13, 2017 168k views

1 Answer

Legendofawesomeness · Answer 1 · 2017-03-18T17:10:42+0000

cot x = cos x / sin x
cot π/4 = cot 45° = cos 45° / sin 45°
We know that sin 45° and sin 45° have the same value:
cos 45° = sin 45° = √2 / 2;
cos 45° / sin 45° = √2/2 : √2/2 = 1
Answer:
cot π/4 = 1

How do I solve : COT pi/4 ...?

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