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If the expression cos(x - 3pi/2) + sin(3...

If the expression `cos(x - 3pi/2) + sin(3pi/2+x) + sin(32pi+x) - 18 cos(19pi-x)+cos(56pi+x) - 9sin(x+17pi)` is expressed in the form of `a sinx + bcos x`, then a+b is equal to

A

17

B

27

C

13

D

23

Text Solution

Verified by Experts

The correct Answer is:
B
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