Q9 of 29 Page 8

Prove each of the following identities:

[CBSE 2001]

Consider L.H.S. =

Multiply and divide by (cos θ + 1) + sin θ):


=


=


=


=


=


= R.H.S.


Thus, proved.

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Prove the following identities

[CBSE 2001]

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Prove each of the following identities:

[CBSE 2003]