## Miscellaneous Exercise on Chapter 2 Prove that 6.

MATHEMATICS · Subjective · A Level · Mathematics · Trigonometry · Trigonometry

Problem

## Miscellaneous Exercise on Chapter 2 Prove that 6. cos⁡−11213+sin⁡−135=sin⁡−15665\cos ^{-1} \frac{12}{13}+\sin ^{-1} \frac{3}{5}=\sin ^{-1} \frac{56}{65}

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