Trouble with Graphics Calculator (1 Viewer)

har

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Jul 12, 2012
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HSC
2012
When I type the cosine angle equation in the EQUATION menu I get the wrong answer:
CosA = (31² + 28² - 35²) / (2x31x28)
I get = 792.57
But if you do the equation outside of the EQUATION menu I get the right answer, 72.
Am I not supposed to do the Cosine Angle rule in this menu? Help pls.
 

Shadowdude

Cult of Personality
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Sep 19, 2009
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Just do it from scratch.

Don't use fancy things if you're not fully sure how to use it.


If you really want to, evaluate each term and then add and then divide and do it step by step by step.
 

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