If `sintheta_1+sintheta_2+sintheta_3=3," then "costheta_1+costheta_2+c – InterviewSolution

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1.	If `sintheta_1+sintheta_2+sintheta_3=3," then "costheta_1+costheta_2+costheta_3` is equal toA. 3B. 2C. 1D. 0
Answer» Correct Answer - D The given relation is satisfied only when `sintheta_1=sintheta_2=sintheta_3=1` `rArrcostheta_1=costheta_2=costheta_3=0` `rArrcostheta_1+costheta_2+costheta_3=0`

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