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If tantheta-cottheta=aandsintheta+costh...

If ` tantheta-cottheta=aandsintheta+costheta=b(b^2-1)^2(a^2+4)` is equal to

A

`2`

B

`-4`

C

`pm4`

D

4

Text Solution

Verified by Experts

The correct Answer is:
D
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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS OF COMPOUND ANGLES -CRITICAL THINKING
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