Solving trig equations are just like solving regular equations. First, do any distributing and combining like terms that you see. Get your thetas with your thetas and your numbers with your numbers - try and keep theta positive if possible. Then, simplify your equation until you only have one number left, and it's next to a trig function. Perform the trig operation, then use the inverse functions on the calculator to solve for theta, the missing angle.
Remember that you always want to have the SAME trig function in your equation when you solve. If you don't have this, you may have to use a reciprocal identity to simplify your equation first before you begin to solve.
No comments:
Post a Comment