What is the cosine of 75 degrees using the half angle formula?
How to evaluate for the half angle of cosine
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Mathematics
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11th Grade - University
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Hard
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5 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
How do you determine the value of U in the half angle formula for cosine?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the cosine of 150 degrees based on the unit circle?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain the process of simplifying the expression for cosine using the half angle formula.
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the final answer for the cosine of 75 degrees after applying the half angle formula?
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