Math, asked by rafiyafathima7195, 10 months ago

Find the value of cos2 45º + cos² 135° + cos2 225° +cos2 315º.

Answers

Answered by varunchaudhary1975

0

Answer:

0.5

Step-by-step explanation:

cos 90 = 0

cos² 135 = 0.5

cos 450 = 0

cos 630 = 0

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