Math, asked by Priyapragya, 4 months ago

please answer with explanation

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Answered by devinichenametla

1

Answer:

cos(π/4+x)+cos(π/4-x)

1/√2(cosx-sinx+cosx+sinx)

1/√2×2cosx

√2cosx

Answered by jaynavghane015

0

Answer:

chal nikal lav de kaheke

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