(Sec A + Tan A) (1- Sin A) =
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Answered by
1
Step-by-step explanation:
=(Sec A + Tan A) (1- Sin A)
=(1/Cos A+sin A/cos A)(1-sin A)
=1/cosA(1+sin A)(1-sin A)
=1/cosA(cos²A)
=cos A
Answered by
0
Step-by-step explanation:
(Sec A +tan A)(1-sinA)
((1/cosA)+(sinA/cosA))(1-sinA)
((1+sinA)(1-sinA))/cosA
(1-sin^2A)/cosA
Cos^2A/cosA
CosA
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