Math, asked by kalyani127, 6 months ago

5.
3
If cos(a - b) + cos(-1) + cos(y-a)== - Prove
2
that cosa + cosß+cos y = sina + sinß+ siny = 0

Answers

Answered by mustafa4081y

0

Answer:

⁹9999999990000000000pppp000000000

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