Posted by **KC** on Tuesday, September 25, 2007 at 12:41am.

Solve the equation on the interval 0 less than or equal 0 < 2pi.

1. sec 30/2 = -2

2. cos(20 - pi/2) = -1

3. tan(0/2 + pi/3) = 1

## Answer This Question

## Related Questions

- trig - please help me with some questions I skipped on a review for our test ...
- Math - Solve the equation for x in the interval 0<x<2pi 1/ 1+tan^2x = -...
- Integration - Intergrate ¡ì sec^3(x) dx could anybody please check this answer. ...
- trig - e.g. tan 315 = -1, does that work in our equation ?? Yes, thank you again...
- Trigonometry desperate help, clueless girl here - 2. solve cos 2x-3sin x cos 2x...
- math - Find all solutions to the equation tan(t)=1/tan (t) in the interval 0<...
- trig 26 - simplify to a constant or trig func. 1. sec ²u-tan ²u/cos ²v+sin ²v ...
- trig - solve the equation on the interval [0, 2pi]: tan^2 x - 3 tan x + 2 = 0
- Precalc with Trig - What value(s) of theta (0 less than or equal to theta less ...
- Trigonometry - 1.Solve tan^2x + tan x – 1 = 0 for the principal value(s) to two ...

More Related Questions