Math, asked by naveenbs26, 5 months ago

SIN(A+B).SIN(A-B)÷COS(A+B) .COS (A-B)

Answers

Answered by mssbalajinaik

1

Step-by-step explanation:

sin(A+B).sin(A-B) equal to sin²A-sinB²

cos(A-B).cos(A+B) equal to cos²A-sin²B

sin(A+B).sin(A-B) divided by cos(A+B).cos(A-B)

equal to sin²A-sin²B /cos²A-sin²B

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