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If sintheta +cos theta =m and sec theta ...

If `sintheta +cos theta =m` and `sec theta + cosec theta =n` then `n(m+1)(m-1)` equals

A

m

B

n

C

2m

D

2n

Text Solution

Verified by Experts

The correct Answer is:
C
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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS -COMPETITIVE THINKING
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