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Quandaries & Queries
Q & Q
Topic:
arcsine
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A problem with arc sine
2006-07-07
From Scott:
How to prove arc sin x = arc tan( (x)/√(1-x2))
Answered by Penny Nom.
The interior angles of a right triangle
2006-05-20
From Greg:
I am wondering if there is a way to figure out the interior angles of a right triangle if we know ONLY the side lengths, and the trick is, we CANNOT use arctangent!
Answered by Leeanne Boehm and Penny Nom.
cot(arcsin 3/5)
2001-01-07
From Jason:
Find value. Assume that all angles are in Quadrant 1.
cot(arcsin 3/5)
Answered by Harley Weston.
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