Thursday

March 5, 2015

March 5, 2015

Posted by **stellar** on Friday, September 30, 2011 at 12:46pm.

cos θ = 1/7

- trig -
**Steve**, Friday, September 30, 2011 at 12:56pmcosine is positive in QI and QIV

Find θ such that cos θ = 1/7

It is the only angle between 0° and 180° whichc has such a positive cosine value.

- Trig -
**Daniel**, Saturday, November 1, 2014 at 2:16am8.2,171.8 degrees

**Answer this Question**

**Related Questions**

calculus - Solve the given equation. (Enter your answers as a comma-separated ...

precal - Find all solutions of the given equation. (Enter your answers as a ...

precal - Solve the given equation. (Enter your answers as a comma-separated list...

precal - Solve the given equation. (Enter your answers as a comma-separated list...

precalculus - Find all solutions of the given equation. (Enter your answers as a...

precalculus - Use a Double- or Half-Angle Formula to solve the equation in the ...

precal - Solve the given equation. (Enter your answers as a comma-separated list...

precalculus - Solve the given equation. (Enter your answers as a comma-separated...

precalculus - Solve the given equation. (Enter your answers as a comma-separated...

precalculus - If a projectile is fired with velocity v0 at an angle θ, then...