Physics, asked by mbhai1248, 2 months ago

If A and B are completely angles,then cos² A+cos²B=

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Answered by ckachhadiya2006

0

Answer:

cos²A+cos²B=cosAcosB-sinAsinB

Answered by dhruvraj90

0

Answer:

ANSWER---

COS^2A +cos^2B = 1

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