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Home / Doubts and Solutions/JEE/Mathematics

17

Asked by rbhatt16 7th December 2017, 8:48 PM
Answered by Expert
Answer:
begin mathsize 16px style Consider comma sinx equals straight a comma space sin 2 straight x equals straight b comma space sin 3 straight x equals straight c rightwards double arrow straight a cubed plus straight b cubed plus straight c cubed equals open parentheses straight a plus straight b plus straight c close parentheses cubed Use space open parentheses straight a plus straight b plus straight c close parentheses cubed equals straight a cubed plus straight b cubed plus straight c cubed plus left parenthesis straight a plus straight b plus straight c right parenthesis left parenthesis ab plus bc plus ca right parenthesis You space will space get space 3 left parenthesis straight a plus straight b right parenthesis left parenthesis straight b plus straight c right parenthesis left parenthesis straight c plus straight a right parenthesis equals 0 Simplify space it space further space to space find space straight x. end style
Answered by Expert 8th December 2017, 12:05 PM
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