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Example Questions
Example Question #21 : Understanding Trigonometric Equations
What is a simple expression for the formula:
Possible Answers:
Correct answer:
Explanation:
From the expression :
we have:
Now since we know that :
. This expression becomes:
.
This is what we need to show.
Example Question #22 : Understanding Trigonometric Equations
Factor:
Possible Answers:
Correct answer:
Explanation:
Step 1: Recall the difference of squares (or powers of four) formula:
Step 2: Factor the question:
Factor more:
Step 3: Recall a trigonometric identity:.. Replace this
Final Answer:
Andrew
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