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September 19, 2014

September 19, 2014

Posted by **MEGGG!!!** on Monday, May 10, 2010 at 12:54pm.

- Trig -
**bobpursley**, Monday, May 10, 2010 at 3:10pmDownstream, he is going with current, 2mph. Crosswise, he is going 1.8mph.

Draw the diagram. I see TanTheta=1.8/2.0

His actual speed?

speed=sqrt(2^2+1.8^2) or

speed=2.0/sinTheta

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