Math, asked by pratikuprety78, 3 months ago

sin²A - cos²B=sin2²B - cos²A

Answers

Answered by bson

0

Step-by-step explanation:

sin²A+cos²A = sin²B+cos²B =1

Answered by pathankindhearted

2

Step-by-step explanation:

L.H.S=sin²A cos²B-cos²A sin²B

=sin²A(1-sin²B)- [(1-sin²A)sin²B]

=sin²A-sin²A sin²B-[sin²B- sin²A sin²B]

=sin²A-sin²A sin²B-sin²B+ sin²A sin²B

=sin²A-sin²B

=R.H.S

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