Question

.$\sin(\pi \cos( \alpha ) ) = \cos(\pi \sin( \alpha ) ) \\ \\ then \: \: \: sin2 \alpha$​

Answer 1

The answer is in Attachment

thank you

Answer 2

π(cos a+sin a)=π\2

root 2(cosa +sin a)=1/2

sin(π\4+a)=1/2root2

find value of a then put in sin2a

0.0

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