# Trig

posted by .

4sin^2x-1=0

Are the angles 30, 120, and 210 and 300?

• Trig -

Sorry for the repeat!

## Similar Questions

1. ### math

a truck uses 8L of gas to go 120 kkkm. how much gas does it use to go 300km?

If 0°<= 360°, solve the equation, sec x=-2 a. 150° and 210 ° b. 210° and 330° c. 120° and 240° d. 240° and 300° I believe it is C. am i right?
3. ### Trig

Special Angles And their Measures Fill out the Table Below: in degrees Sin Cos Tan 0 30 45 60 90 120 135 150 180 210 225 240 270 300 315 330
4. ### Trig

4sin^2x-1=0 Are the angles 30, 120, and 210 and 300?
5. ### trig

draw the graph of 4sin(x+30) and 2+tanx for values of x from 0 degree to 360degree and obtain the solution within the range of the equation 4sin(x+30)-tan x=2
6. ### trig

cos@-4SIN@=1 then sin@+4cos@=
7. ### Trig

4sin^(2)x-3=0
8. ### statistics

if a test has a mean of 150 and a standard deviation of 30, we know that: a)50% of the respondents scored between 180 and 210 b)68% of the responents scored above 120 c)50% of the respondents scored between 120 and 210 d) 96% of the …
9. ### trig

fidn all values of tehta in [0, 360) that satisfy the equation. √(3)tan(θ/2)=-1 I have four choices 300, 330, 150 , 120 and i got 120
10. ### math

A \$300 mountain bike is discounted by 30% and then discounted an additional 10% for shoppers who arrive before 5am. If you go to the store at 4:30 am, how much will you pay?

More Similar Questions