Tan alpa + sin alpa ________________= tan alpa 1+cos alpa
Matematika
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Pertanyaan
Tan alpa + sin alpa
________________= tan alpa
1+cos alpa
________________= tan alpa
1+cos alpa
2 Jawaban
-
1. Jawaban arsetpopeye
(tan a + sin a)/(1 + cos a)
= ((sin a)/(cos a) + sin a)/(1 + cos a) ==> . (cos a)/(cos a)
= (sin a + sin a cos a) / (1 + cos a)(cos a)
= sin a(1 + cos a) / (1 + cos a)(cos a)
= (sin a) / (cos a)
= tan a -