Determine whether the statement is true or false.
-cos 195° = 2 cos 225° cos 30° + 2 sin 225° sin 30°
Correct Answer:
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Q19: Without using a calculator, give the
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-When sitting atop a tree
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Q24: Solve the problem.
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Q25: Solve the problem.
-A ship travels 82 km
Q26: Solve the problem.
-Snell's Law states that
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