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Home / Doubts and Solutions/JEE/Mathematics

HOW TO DO THIS SUM ON EQATION AND SOLUTION

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Asked by pukai7229 26th June 2018, 9:40 PM
Answered by Expert
Answer:
begin mathsize 16px style We space have space cosecx space equals space cotx space plus square root of 3 rightwards double arrow cosecx space minus space cotx space equals square root of 3 space space.... left parenthesis 1 right parenthesis We space know space that comma cosec squared straight x space minus space cot squared straight x space equals space 1 rightwards double arrow left parenthesis cosecx space minus space cotx right parenthesis left parenthesis cosecx plus space cotx right parenthesis space equals space 1 rightwards double arrow square root of 3 left parenthesis cosecx plus space cotx right parenthesis space equals space 1 space space space... space from space left parenthesis 1 right parenthesis rightwards double arrow left parenthesis cosecx space plus space cotx right parenthesis space equals space fraction numerator 1 over denominator square root of 3 end fraction space.... left parenthesis 2 right parenthesis Adding space left parenthesis 1 right parenthesis space and space left parenthesis 2 right parenthesis space comma space we space get 2 space cosec space straight x space equals square root of 3 space plus fraction numerator 1 over denominator square root of 3 end fraction rightwards double arrow cosec space straight x space equals space fraction numerator 2 over denominator square root of 3 space end fraction rightwards double arrow cosec space straight x space equals space cosec space 60 degree rightwards double arrow straight x space equals space 60 degree end style
Answered by Expert 29th June 2018, 9:57 AM
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