Homework Help: preclac

Posted by raven31791 on Saturday, March 10, 2007 at 1:56am.

Evaluate tan^2 60 degrees +sin^2 45 degrees without using your calculator.

a)5
b)7/3
c)1/2
d)7/2

Please help.

Draw the 30-60 and 45-45 triangles. What is the answer? You ought to be able to do these from memory. If you cant, make and use flash cards on these triangles.

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