Math, asked by gobbar, 10 months ago

find value of cos 3pie/4

Answers

Answered by stella0203

0

Answer:

Hey mate answer is -1/root 2

Hope it helped ❤

Answered by maddulamounika111

0

Answer:

Step-by-step explanation:

cos3π/4=cos(π-π/4)=cosπ/4=1/√2

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