Verify That Each Equation Is an Identity $$\tan \theta \cdot \csc \theta = \sec \theta$$

Q56: Use a sum or difference identity

Q57: Use the fundamental identities to simplify

Q58: Solve the equation for exact solutions.<br>-

Q59: Tell whether the statement is true

Q60: Use the fundamental identities to find

Q62: Solve the problem.<br>-A vibrating wire has

Q63: Solve the problem.<br>-Suppose that for an

Q64: Use a sum or difference identity

Q65: Perform the indicated operations and simplify

Q66: Use identities to fill in the