Math, asked by aniketshirsat74, 4 months ago

If A + B + C = 90 degrees ° then cos^2 A + cos^2 B + cos^2 C =

Answers

Answered by priankasoni170

0

Answer:

search on net it's easy there

friend

Answered by kripriya247

0

Answer:

cos^2(A+B+C)=cos^2(90)°=cos^180°=-1

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