Posted by **leanne** on Friday, July 30, 2010 at 11:31pm.

solve 1-tan^2x=0 , 0≤x≤2pi

- grade 12 math -
**Reiny**, Saturday, July 31, 2010 at 7:21am
1-tan^2x=0

tan^2 x = 1

tan x = ±1

x = π/4, π - π/4, π + π/4, or 2π - π/4

x π/4, 3π/4, 5π/4, 7π/4

## Answer this Question

## Related Questions

- algebra 1 help please - 4) a student score is 83 and 91 on her first two quizzes...
- Algebra 2 - Solve. 4a-2≤a+1≤3a+4 4a-2-1≤a+1-1≤3a+4-1 4a-...
- PRE - CALCULUS - Eliminate the parameter t. Find a rectangular equation for the ...
- Math - Let sin A = 12/13 with 90º≤A≤180º and tan B = -4/3 with 270...
- Trig - Let sin A = 12/13 with 90º≤A≤180º and tan B = -4/3 with 270...
- trig - Let sin A = 12/13 with 90º≤A≤180º and tan B = -4/3 with 270...
- Math (Trigonometry) - 1. If sec x + tan x = 3/2 and 0 ≤ x ≤ pi/2 ...
- Math - Minimize C=7x+3y+4z 0≤x 0≤y 0≤z 100≤2x+3y+3z 120...
- Math - Minimize C=7x+3y+4z 0≤x 0≤y 0≤z 100≤2x+3y+3z 120...
- Math - Solve for all possible values of x where O°≤x≤360°. tan x = -...

More Related Questions