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Trail_Builder
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Homework Statement
There is a right angled triangle, with the following angles, a, b, and 90deg.
If a < b, how many different values are there among the following expressions?
sin a sin b, sin a cos b, cos a sin b, cos a cos b
Homework Equations
The Attempt at a Solution
I don't really know any trigonometric identies and I am guessing that's where the solution lies :S
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