Find tan(A-B) sec^2(A) - 2tan(A) = 16 && sin(B)sec^2(B) = 64cos(B)cosec^2(B)
@tan(A) = 5, tan(B) =4, tan(A - B) = 1/21
@tan(A) = -3, tan(B) = 4, tan(A - B) = 7/11
I can demonstrate how the answers can be obtained during the session.
FS
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