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October 21, 2014

October 21, 2014

Posted by **Steven** on Wednesday, January 4, 2012 at 10:52pm.

tan 1440°

Evaluate without using ratios in reference triangle.

sec 3π/4

- pre calc -
**Steve**, Thursday, January 5, 2012 at 4:35amtan 1440° = tan 1440-4(360) = tan 1440-1440 = tan 0° = 0

sec 3π/4 = -sec π/4 = -√2

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