All High School Math Resources
Example Questions
Example Question #2 : Using Sum And Product Identities
Simplify .
Possible Answers:
This is the most simplified version.
Correct answer:
Explanation:
Break down into SOHCAHTOA to solve:
and .
Therefore, . Note that the opposite's cancel out, leaving , which is the same as .
Example Question #121 : Trigonometry
Possible Answers:
Correct answer:
Explanation:
All High School Math Resources
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