Need help with Excel Formula

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I am having trouble figuring out a formula when figuring angles. I will write what I need (very simply) so you understand what I am trying to do.

90(SIN) X 100 = / 45(SIN)=
Where: 90 = Adjacent Angle
100 = Width
45 = Deploy angle

I want to be able to put this equation in excel and figure the result for about 2000 possible scenarios. When I do the equation with a calculator, it works great, when in excel, no matter what I've tried after hours of research, no luck. Thanks in advance for all help.

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Hi Andy,

SIN and COS, wow that's been a while.

Anyway it has something to do with Radians.

More details can be found here:
https://www.excelforum.com/excel-general/512368-how-come-excel-cant-calculate-any-sin-x-or-cos-y-correctly.html

Best regards,
Trowa