Posted by Carl on Tuesday, December 13, 2011 at 6:45pm.
In ABC, vertex C is a right angle. Which trigonometric ratio has the same
trigonometric value as Sin A?
A Sin B
B Cosine A
C Cosine B
D Tan A

Trig  Damon, Tuesday, December 13, 2011 at 7:22pm
sin A = cos B
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