How do you find the angle measure of a right triangle using trig functions? Follow these steps.

Step 1.From the unknown angle, decide which two sides you have. By evaluating which angles you have you can decide which trig function to use.( Sin,Cosine,Tangent)

For example if I have opposite and hypotenuse I'm going to use the sin function.

Step. 2.After deciding which trig function to use, set up the problem, and instead of the variable being x in the proportion the variable will be at the angle.

Step 3. Solve using the 2nd function key.

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