Using the the half angle formula for sine to evaluate
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Mathematics
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11th Grade - University
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Practice Problem
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Hard
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the formula used to evaluate sine using half angle formulas?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the cosine of 30 degrees?
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