Math, asked by Raazaryan, 10 months ago

cot(A/2)- tan(A/2) equal to what?​

Answers

Answered by rajlaxmishankar1
1

Answer:

2cotA

Step-by-step explanation:

=Cos(A/2)/sin(A/2)-Sin(A/2)/Cos(A/2)

=Cos^2(A/2)-Sin^2(A/2)/sin(A/2)-cos(A/2)

=CosA/Sin(A/2)-Cos(A/2)

=2 cosA/2 sin(A/2)-cos(A/2)

=2 cosA/sinA

=2 cotA

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