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ICSE Class 10 Answered

How to solve the one which I have ticked ... I.e. Sin^4.....
Asked by paruchuri132l | 25 Oct, 2016, 07:12: PM
answered-by-expert Expert Answer
begin mathsize 16px style sin to the power of 4 theta space minus space cos to the power of 4 space theta space equals space 1 space minus space 2 cos squared theta L. H. S. space equals sin to the power of 4 theta space minus space cos to the power of 4 space theta space equals space left parenthesis sin squared theta right parenthesis squared space minus space left parenthesis cos squared space theta right parenthesis squared equals left parenthesis sin squared theta space minus space cos squared space theta right parenthesis left parenthesis sin squared theta space plus space cos squared space theta right parenthesis equals sin squared theta space minus space cos squared space theta R. H. S. space equals space 1 space minus space 2 cos squared theta equals 1 space minus space cos squared theta space minus space cos squared theta equals left parenthesis 1 space minus space cos squared theta right parenthesis space minus space cos squared theta equals space sin squared theta space minus space cos squared theta H e n c e comma space L. H. S. space equals space R. H. S. end style
Answered by Rashmi Khot | 26 Oct, 2016, 09:18: AM

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ICSE 10 - Maths
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Asked by rashikulkarni28 | 08 Jun, 2022, 03:14: PM
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