-1+sinA sin(90-A)/cot(90-A)=-sinA
Answers
Answered by
3
Answer:
1+sinA.cosA/TAN A
MULTIPLY AND DIVIDE BY 2
2+2sinA.cosA/2.TANA
=2+sin2A.2.COSA/SINA
=2SINA+2SINACOSA.2.COSA/SINA
=2SINA(1-2.COS^2 A)/SINA
=2SINA(2.SINSQUARE A/SINA
= 4.SIN SQUARE A
=
=
Step-by-step explanation:
I think is there any mistake in question
Similar questions