Use a Calculator to Give the Value to the Nearest $\theta = \sin ^ { - 1 } ( 0.2079 )$

Q21: Solve the equation for exact solutions

Q22: Write the following as an algebraic

Q23: For the graph of a circular

Q24: Use identities to find the indicated

Q25: Factor the trigonometric expression and simplify.<br>-

Q27: Use the fundamental identities to simplify

Q28: Find the exact value of the

Q29: Solve the problem.<br>-The formula for the

Q30: Solve the problem.<br>-A vibrating wire has

Q31: Verify that each equation is an