ymdaniel98don
ymdaniel98don
12-09-2014
Math
Answered
Prove that 1 + sin A * 1 - sin A = cos^2 A
Answer :
tanishqsingh
tanishqsingh
12-09-2014
LHS=1+sin A * 1- sin A=1²-sin²A=1-cos² A= RHS
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