Q132: Use half-angle formulas to find the exact
Q133: If <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9354/.jpg" alt="If ,
Q134: From the list below find the expression,
Q135: Simplify the expression. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9354/.jpg" alt="Simplify the
Q136: If <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9354/.jpg" alt="If ,
Q138: Find the identical expression for the following.
Q139: If <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9354/.jpg" alt="If with
Q140: Prove that the identity is true. <img
Q141: Prove the identity. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9354/.jpg" alt="Prove the
Q142: Write a formula for <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9354/.jpg" alt="Write