CBSE Class 10 Answered
Kindly solve
If cos^4(A)/cos^2(B) + sin^4(A)/son^2(B)=1
Then prove that
Cos^4(B)/cos^2(A) + sin^4(B)/sin^2(A) =1
Asked by Kanchanchandra.1989 | 14 Jan, 2020, 10:58: AM
Expert Answer
Given: cos4(A)/cos2(B) + sin4(A)/sin2(B)=1
Answered by Renu Varma | 20 Jan, 2020, 11:39: AM
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