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ACT Math 3.3 Trigonometry 220 Views


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Description:

ACT Math: Trigonometry Drill 3, Problem 3. Can you find the sine?

Language:
English Language

Transcript

00:02

Here's another shmoop du jour...

00:04

What is sin of 45 degrees equal to?

00:07

And here are your potential answers...

00:13

This one should be a no-brainer. Seriously.

00:14

We should have the values of the special trig functions memorized by now, and 45 degrees

00:20

is one of them. Sin of 45 degrees is root 2 over 2. We couldn't

00:25

have gotten confused with the cosine of 45 degrees either...because that value is also

00:30

root 2 over 2.

00:31

Our answer's C.

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