Hey guy, I need help with another problem,

Suppose that and Evaluate the following

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- November 23rd 2009, 12:13 PMgoliathTrig Identities
Hey guy, I need help with another problem,

Suppose that and Evaluate the following

- November 23rd 2009, 05:06 PMapcalculus
The angle is in the third quadrant, where the sine if negative and the cosine is positive. The rest of the tri ratios have signs that depend on the sine and cosine.

Secant is 1/cosine, so cosine(theta) is 1/3.

Use the Trig Identity and definitions/properties to find the remaining measures.

Good luck! - November 23rd 2009, 07:40 PMSoroban
Hello, goliath!

Quote:

Suppose that and .

We have: .

And Pythagorus says: .

Since is in Quadrant 4,

And we have this list: .

Quote:

Evaluate the following.

Quote:

Quote:

Quote:

Quote:

- November 23rd 2009, 07:45 PMgoliath
Thank you!, kudos