Math, asked by mkurumurthi9, 11 months ago

show that 1 minus tan square A by cot square A minus 1 equal to tan square A ​

Answers

Answered by ishwarskm800
6

Answer:

Step-by-step explanation:

Attachments:
Answered by jsreelakshmi
7

LHS = (1-sin2a/cos2a) / (cos2a/sin2a -1)

taking l.c.m

[ (cos2a-sin2a) sin2a ] divided by [ cos2a(cos2a - sin2a) ]

cancelling cos2a-sin2a ,

sin2a/cos2a = tan2a

=RHS

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