Math, asked by neelikeerthi74021, 11 months ago

(Sac A+ tanA-1 )(sacA-tanA+1) equal 2tan A

Answers

Answered by kunalbharagaw
0

Answer:

(SecA +tanA-1) (SecA-tanA+1)

(secA-1+tanA) ( 1/cosA- sinA/cosA+1)

1-sinA+cosA

(tanA +tanA) (______ )

cosA

1-sinA =cosA

(2tanA) cosA+cosA

( ________ )

cosA

(2tanA) cosA +cosA

cosA cosA

=2tanA

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