In Exercises 55–62, use the properties of inverse functions f(f⁻¹ (x)) = x for all x in the domain of f⁻¹ and f⁻¹(f(x)) for all x in the domain of f, as well as the definitions of the inverse cotangent, cosecant, and secant functions, to find the exact value of each expression, if possible.sec(sec⁻¹ 7π)

In Exercises 39–54, find the exact value of each expression, if possible. Do not use a calculator.sin⁻¹ (sin π)

In Exercises 39–54, find the exact value of each expression, if possible. Do not use a calculator.sin(sin⁻¹ π)

In Exercises 52–53, use a right triangle to write each expression as an algebraic expression. Assume that x is positive and that the given inverse trigonometric function is defined for the expression in x.sec(sin⁻¹ 1/x)

In Exercises 55–62, use the properties of inverse functions f(f⁻¹ (x)) = x for all x in the domain of f⁻¹ and f⁻¹(f(x)) for all x in the domain of f, as well as the definitions of the inverse cotangent, cosecant, and secant functions, to find the exact value of each expression, if possible.cot(cot⁻¹ 9π)

In Exercises 55–62, use the properties of inverse functions f(f⁻¹ (x)) = x for all x in the domain of f⁻¹ and f⁻¹(f(x)) for all x in the domain of f, as well as the definitions of the inverse cotangent, cosecant, and secant functions, to find the exact value of each expression, if possible.cot⁻¹ (cot 3π/4)

In Exercises 63–82, use a sketch to find the exact value of each expression.cos (sin⁻¹ 4/5)

In Exercises 63–82, use a sketch to find the exact value of each expression.tan (cos⁻¹ 5/13)

In Exercises 63–82, use a sketch to find the exact value of each expression.tan [sin⁻¹ (− 3/5)]