sin a.sec a + cos a.csc=sec a.csc a
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sin a.sec a + cos a.csc=sec a.csc a
1 Jawaban
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1. Jawaban Fitra910
sin a sec a + cos a cosec a = sin a 1/cos a + cos a 1/sin a = sin^2 a + cos^2 a /(cos a sin a) = 1/ cos a sin a = (1/cos a)(1/sin a) = sec a cosec a
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