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OpenStudy (anonymous):
(secA + tan A)(1-sin A)=................... Please any one to answer this question of trig identities.
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OpenStudy (anonymous):
Use sec(A) + tan(A) = (1 + sin(A))/cos(A). So (sec A + tan A) (1 - sinA) = (1+sin(A))(1 -sin(A))/cos(A) = cos²(A)/cos(A) = cos(A).
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