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Grade 12th passTrigonometry

Q1)Solve the equation: (Cosx)^7 +(sinx )^4=1
Q2) solve: 3^(sinx +cosy)=1 and 25^{(sinx)^2 + (cosy)^2}=5

Profile image of Yuvc
8 Years agoGrade 12th pass
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1 Answer

Profile image of Deepak Kumar Shringi
ApprovedApproved Tutor Answer8 Years ago
please ask only one question in a thread as its the forum policy
i will be happy to clear your doubt