Math, asked by bheemareddy29102003, 11 months ago

If cos²A = 1/7
then find 3-5 tan²A​

Answers

Answered by ishita1059
0

Step-by-step explanation:

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