√2+√3+√4+√6 =
A. Cot 15/2°
B. Sin 15/2 °
C. Sin 15°
D. Cos 15°
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cot 15/2 is the correct answer.....
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Aoikatsuki:
No the answer should be D. I just don't understand the working
sorry that's my classwork.
there the question was cot7 1/2(mixed fraction)
cot7 1/2 = cot 15/2
Yeah. But in my book it is given cos 15°
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maybe it's cot 15/2°. if its right then plz mark this in brain liest
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