Write the expression as an algebraic (nontrigonometric) expression in
(Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression. Rationalize all denominators.)
Step 1 :Given the trigonometric expression
Step 2 :We can use the identity
Step 3 :Since
Step 4 :We also know that
Step 5 :Substituting these values into the identity for
Step 6 :
Step 7 :