Final answer:
The question asks to find the exact value of trigonometric functions using given values and identities, but no specific information is provided.
Step-by-step explanation:
In the given question, we are asked to use trigonometric identities to find the exact value of each indicated trigonometric function. However, the question does not provide specific function values or the trigonometric functions we need to find. Therefore, I'm unable to provide a step-by-step explanation without this information.