Math, asked by rajanishvallam1567, 8 months ago

how to know the value of cos 135

Answers

Answered by TheConnoR

1

The exact value of cos(135°) is -√(2) / 2. To find this, we use the angle sum identity for cosine, which is as follows: cos(X + Y) = cos(X...

Answered by vardhannaiduravuri

0

Answer:

cos(90+45)

-sin 45°

=-1/√2

cos 135=-1/√2

Step-by-step explanation:

I hope this answer may help you

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