inv-trig

Question: If ${{\sin }^{-1}}\frac{3}{5}+{{\cos }^{-1}}\left( \frac{12}{13} \right)={{\sin }^{-1}}C,$then $C =$

1) $\frac{65}{56}$

2) $\frac{24}{65}$

3) $\frac{16}{65}$

4) $\frac{56}{65}$

Solution:

Explanation: No Explanation

Inverse trigonometric functions

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