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Asked by subhajit.690 | 17th Sep, 2015, 10:15: PM

Expert Answer:

begin mathsize 16px style sin theta plus sin squared theta equals 1 rightwards double arrow sin theta equals 1 minus sin squared theta equals cos squared theta N o w comma space cos squared theta plus cos to the power of 4 theta equals sin theta plus sin squared theta equals 1 end style

Answered by Rashmi Khot | 18th Sep, 2015, 09:13: AM