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October 24th, 2017, 03:17 PM   #1
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Lightbulb Trigonometry

Express “cos a” and “sin b” in terms of A and B if: sin a = A sin b, tg a = B tg b.

Last edited by maluneves12; October 24th, 2017 at 03:29 PM.
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October 24th, 2017, 05:52 PM   #2
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Math Focus: Wibbly wobbly timey-wimey stuff.
Lots of questions. We can help you better if you show us what you have been able to do on these three. What have you tried?

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