Math, asked by ariyanhossain97219, 3 days ago

1+cos2α+sin2α/1-cosα+Sin 2α=cotα(prove this)math

Answers

Answered by amishagoswami273

0

Step-by-step explanation:

LHS=(sinα+cosα)(tanα+cotα)

=(sinα+cosα)(

cosα

sinα

+

sinα

cosα

)

=sinα+cosα(

cosαsinα

sin

2

α+cos

2

α

)

=

sinαcosα

sinα+cosα

=

cosα

1

+

sinα

1

=secα+cscα

=RHS

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