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Find Angles With Same Trig Function Value

To find angles with same Trig Function value, here’s what you can do:

1. For sine, if sin x = A, then the angle (180-x) will give you sin (180 -x) = sin x=A.

2. For cosine, if cos y = B, then the angle (360-x) will give you cos (360-y)= cos y = B.

3. For tangent, if tan w = C, then the angle (x-180) will give you tan (w-180) = tan w = C.

( All of the above are using degree unit, not radian unit. If you need radian, just convert them to radian, for example  pi = 180 degrees, 2pi = 360 degrees.)


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