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Prove that:`2sin^(-1)(3/5)=tan^(-1)((24)/7)` |
Answer» We have =`2 sin^(-1)(3/5)` =`2 tan^(-1)(3/4)` =`tan^(-1)(3/4)+tan^(-1)(3/4)` =`tan^(-1)(((3/4)+(3/4))/(1-(3/4)(3/4)))` =`tan^(-1)((24/16)/(7/16))` =`tan^(-1)(24/7)` hence proved |
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