Question

what is the answer for sin(90+x)​

Answer 1

Hii

you are welcome in my ans

sin(90° + @)

@ is in 2nd quadrant so it is positive

cos@

where @ = theta

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Hope my ans helps you✌️✊

Answer 2

Hey

Sin(90+x)

As 90+x is odd multiple angle sin changes to cos

90+x lies in the second quadrant so in second quadrant sin is positive

Thus

sin(90+x) = Cosx