please prove this i dentity???????

(1+sec x)/(tan x+sin x)=csc x

2007-12-09 06:17:58 · 1 answers · asked by eman k 1 in Science & Mathematics ➔ Mathematics

1 answers

Numerator , N
1 + sec x
1 + 1 / cos x
(cos x + 1) / cos x

Denominator , D
sinx /cosx + sinx
(sinx + sin x cos x) / cos x
sin x (1 + cos x ) / cos x

N / D = 1 / sin x = cosec x (as required)

2007-12-09 06:26:19 · answer #1 · answered by Como 7 · 1⤊ 0⤋

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