Math, asked by sarthaktrivedi26, 1 month ago

(Sec A + tan A) (1 - sin A) =

Answers

Answered by GeniusHelper3

1

Step-by-step explanation:

(secA+tanA)(1−sinA)

=(cosA1+cosAsinA)(1−sinA)

=(cosA1+sinA)(1−sinA)

=cosA(1+sinA)(1−sinA)=

=cosA(1−sin2A)

=cosAcos2A=cosA

∴(secA+tanA)(1−sinA)=cosA

Hence, the answer is cosA.

Answered by ls0959406

0

Answer:

CosA

Step-by-step explanation:

Cos A correct answer

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