tan square A-sin square A= sin square A tan square A - Maths - Trigonometry

Question

tan square A-sin square A= sin square A?tan square A

Brijendra Pal · Accepted Answer

Hi, tan2A-sin2A= sin2Acos2A-sin2A= sin2A1cos2A-1=  sin2A1-cos2Acos2A    We know that 1-cos2A=  sin2A =   sin2A×  sin2Acos2A= tan2A×sin2A
So LHS = RHS