Angela is making 25 sundaes with mint, chocolate, and vanilla ice cream. 3 5 of the sundaes are mint ice cream and 1 2 of the re
1 answer:
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First I converted the equation terms into sine and cosine.
Substitution:
Common Denominator Created:
Multiply each term by the LCD:
Substitution: Recall ⇒
Distribute and collect all terms on one side:
Factor and set each factor equal to 0:
The 2nd factor provides only possible answer 109.5 degrees