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1-Sin(theta) / 1+Sin(theta) = Tan(theta) + 1/ Cos(theta)

prove that one side is equal to another!!

2007-10-07 10:28:15 · 2 answers · asked by Anonymous in Science & Mathematics Mathematics

that is the question

2007-10-07 10:38:51 · update #1

2 answers

Let x = theta
(1-sinx)/(1+sinx) = tanx+ 1/ cosx
(1-sinx)/(1+sinx) = sinx/cosx +1/cosx = (1+sinx)/cosx
(1+sinx)^2 = cosx+sinxcosx
This is obviously untrue so your expression is false. It cannot be proven. Just stick in x = 30 degrees and you will see that the identity does not hold.

2007-10-07 10:51:33 · answer #1 · answered by ironduke8159 7 · 0 0

i think the question is wrong

2007-10-07 10:32:14 · answer #2 · answered by 4GET IT!!!! 2 · 0 0

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