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2 answers

1 + sin = 1 + 1/sin
.............= (sin + 1) / sin

The statement is not true.

For example sin 30 = 1/2 csc 30 = 2

1+ 1/2 not = 1 + 2

2007-02-19 04:38:51 · answer #1 · answered by richardwptljc 6 · 0 0

As far as I remember the definition of cscA =1/sinA

so sin^2(A) =1 sin A =+-1 And A =pi/2+kpi

2007-02-19 13:04:23 · answer #2 · answered by santmann2002 7 · 0 0

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