(Sec A +tan A) (1- sin A) =
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Answered by
1
Step-by-step explanation:
=(1/cosA+sinA/cosA) (1-sinA)
=(1+sinA/cosA) (1-sinA)
=1-sin^2A/cosA
=cos^2A/cosA
=cosA
Answered by
0
Step-by-step explanation:
(secA+tanA)(1-sinA)
=(1/cosA+sinA/cosA)(1-sinA)
=(1+sinA/cosA)(1-sinA)
=1-sin^2A/cosA
=cos^2A/cosA
=cosA....
hope it helps you
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