Question

Poove
that
Sec A (l - sin A) (sec A + tan A)
= 1​

Answer 1

Answer:

answer is above in the attachment..

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Answer 2

Step-by-step explanation:

L. H. S

=seca(1-sina)(seca+tana)

=1/cosa(1-sina) (1+sina)/cosa

=1-sin²a/cos²a

=cos²a/cos²a

=1

hence proved