Posted by **Selma** on Thursday, March 13, 2008 at 10:50am.

Solev the equation for t if 0 is less than or eual to t which is less than 2 pi

7sin + radical3 = 5 sin t

- Trig -
**Reiny**, Thursday, March 13, 2008 at 11:12am
7sin + radical3 = 5 sin t

2sint = -√3

sint = -√3/2

From the ratios of the 30,60,90 triangle, I know that the angle in standard postion would be 60º or pi/3 radians.

t must be in the III or IV quadrants,

so t = 180+60 = 240º

or t = 360-60 = 300º

in radians that would be 4pi/3 and 5pi/3

## Answer This Question

## Related Questions

- Precalculus - Consider the equation 7sin^2x - (4sin2^x)/cosx = -1 a) Put the ...
- trig - Solve the given triginometric equation analytically. Use values of of x ...
- Precalculs - I have no idea how to do these type of problems. -------Problem...
- trig - y= sin x/2, 0 less than equal to x less than equal to 4pi... the question...
- math inequality - 13-3m (< = ) –4m is 13-m greater than or eual to -4m No. &...
- algebra/trigonometry - What are the values of theta in the interval 0degrees ...
- trig - What are the values of theta in the interval 0 less than or equal to ...
- Math/Trig - Solve: sin x - 2sin x cos x = 0 for 0 is less than or equal to x is ...
- Math - Solving for Trig Equations - Solve the following equation for 0 less than...
- i lied. very quick calc problem. - f(x) = abs(sin(x)), -pi less than or equal to...

More Related Questions