TGIE-5+Difficult+Trig+Equations

This section is about how to solve more difficult trigonometric equations. Two techniques for solving these equations are substitution (using the identities) and creating a new trigonometric function. When graphing, the calculator should be in radian mode. In the equations y=AsinBx or y=AcosBx **B** will affect the period of the graph. The number of cycles graphed will be affected when the period changes. When the number of cycles change, the number of x intercepts (number of solutions) change. Remember that 2π equals 1 cycle.

__**Textbook:**__ PWL 5. Am 8.5

__**[|More Difficult Trig Identities]**__ [|More Difficult Trigonometry Identities 2]

Example 1:

Example 2:



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Practice Problems With Answers: