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What is the exact value of sin (15 degrees)?Question 5Select one:a..380b.sqrt (2 – sqrt(3)) / 2c.sqrt (2 + sqrt (3)) / 2d..350e.Impossible

Question

What is the exact value of sin (15 degrees)?Question 5Select one:a..380b.sqrt (2 – sqrt(3)) / 2c.sqrt (2 + sqrt (3)) / 2d..350e.Impossible

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Solution

The exact value of sin(15 degrees) is sqrt (2 – sqrt(3)) / 2. So, the correct answer is option b.

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What is the exact value of sin (120 degrees)?Question 31Select one:a.½b..866c.√3/2d.-1/2e.None of these

The value of cos15° + sin15° is equal toOnly one correct answerA.

sin(45°+) cos(15°+ ) – cos(45°+ ) sin(15°+ )

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