Asked by Sabrina
1/sinx = sinx+cosxcotx
it's a proof and I have to make them equal to each other. Please help!
it's a proof and I have to make them equal to each other. Please help!
Answers
Answered by
Count Iblis
Use that cot(x) = cos(x)/sin(x)
We then have
sin(x) + cos^2(x)/sin(x) =
[sin^2(x) + cos^2(x)]/sin(x) =
1/sin(x)
We then have
sin(x) + cos^2(x)/sin(x) =
[sin^2(x) + cos^2(x)]/sin(x) =
1/sin(x)
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