Math, asked by hanith73, 6 months ago

Simplify Sec A (1- Sin A) (Sec A + tan A)​

Answers

Answered by abhi0201agrawal
2

Answer:

L.H.S=

= 1/cosA. ×. (1-sinA). ×. (1/cosA+sinA/cosA)

= (1-sinA)/cosA. × (1+sinA/cosA)

=. (1-sin²A/cos²A)

=. cos²A/cos²A

=. 1

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