Math, asked by bheemareddy29102003, 1 year ago

If cos²A = 1/7
then find 3-5 tan²A

Answers

Answered by ishita1059

0

Step-by-step explanation:

cos^2=1\7
3-5sin^2A\cos^2A
but cos^2A=1\7
so,3-5sin^A\1\73-35sin^2A

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