Math, asked by sangjukta1998, 11 months ago

if cos2A sin2B =cos2C sin2D , then show that tan(C+A)tan(C-A)tan(B+D)=tan(D-B)

Answers

Answered by amit20032001patel

0

Answer:

By changing tan(C+D)=tanC+tanD/tanC.tanD

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