Tuesday

July 29, 2014

July 29, 2014

Posted by **jenny** on Monday, March 5, 2012 at 5:45pm.

1) sec x = -2

2) 2 sin^2 x = 1

3) cos^2 x - 2cos x + 1 = 0

- trig -
**john**, Friday, March 9, 2012 at 7:41pma). secx=-2

2pi/3 and 4pi/3

b). sinx=(2^(1/2)/2

its that value at pi/4, and 3pi/4

c). cosx=+ or - 1, so if they want multiple answers its 0, 2pi, and pi

**Related Questions**

Math - Solving Trig Equations - What am I doing wrong? Equation: sin2x = 2cos2x ...

Math - Solving for Trig Equations - Solve the following equation for 0 less than...

trig 26 - simplify to a constant or trig func. 1. sec Ču-tan Ču/cos Čv+sin Čv ...

trig - 2sin(x)cos(x)+cos(x)=0 I'm looking for exact value solutions in [0, 3&#...

TRIG! - Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6...

trig - I dont understand this. can you please tell how you got each answer? ...

solving trig. equations - tan(3x) + 1 = sec(3x) Thanks, pretend 3x equals x so ...

Trig - Solve in terms of sine and cosine: sec(x) csc(x)- sec(x) sin(x) so far I ...

Alg2/Trig - Find the exact value of the trigonometric function given that sin u...

trig - how do you start this equation i've been tryng it for 20min. sec^6x(...