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Pre-calc/trig Suppose that θ=arcsin(1/7) in the first quadrant. What is cos(θ/2)? (round to 4 decimals)

Pre-calc/trig Suppose that θ=arcsin(1/7) in the first quadrant. What is cos(θ/2)? (round to 4 decimals)
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Pre-calc/trig

Suppose that θ=arcsin(1/7) in the first quadrant. What is cos(θ/2)? (round to 4 decimals)

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User Yngve
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1 Answer

6 votes

Answer:

0.9974

Explanation:


arcsin( (1)/(7) ) = 0.1433 \\ cos( (0.1433)/(2) ) = 0.9974

answered
User Pierre L
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