Find all real solutions. Answer in the exact form. Note that identities are not required to solve this exercise. 
A) 
B) 
C) 
D) 
Correct Answer:
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Q80: Evaluate. Answer in exact form. 
Q81: Solve by factoring. State all real solutions
Q82: Find the principal root of the equation.
Q83: Find all solutions in [0, 2π). Answer
Q84: Use the following to answer questions
Q86: Use the following to answer questions :
The
Q87: State the period P of the function
Q88: Find all solutions in [0, 2
Q89: Solve using an identity. State all
Q90: Solve the equation in [0, 2π) using
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