1.

Find the value of sin-1 ( ( frac{3}{5} ))+sin-1 ( ( frac{4}{5} ))+cos-1 (( frac{ sqrt{3}}{2}) ).

A. ( frac{ }{3} )
B. ( frac{2 }{3} )
C. ( frac{4 }{3} )
D. ( frac{ }{4} )
Answer» C. ( frac{4 }{3} )


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