Objective: Finding solutions of trigonometric equations. Warm up Find the exact value using a half angle identity. 2. Find the exact value using the double angle identities. a. b.
Example 1 How many solutions does it have in the interval . Hint: Look at its graph or unit circle. How many solutions does it have?
Example 2 Solve for x. Solutions in . All solutions.
Example 3 Solve for x. a. Solutions in . b. All solutions.
Example 4 Solve for x. a. Solutions in . b. All solutions.
Example 5 Find all solutions. 3 sinx - 2 = 5 sinx - 1
Assignment Section 5.5: Pg 636 #2-24 evens