Login or Sign Up

Ask a New Question

2x+5y+3=0 what is the value of sin theta

I assume theta is the slope of the line?

The slope is -2/5, so tan(theta) = -2/5.

theta = -21.8 degrees

sin theta = -0.37

Or, sin theta = -2/sqrt(29), using the right triangle with legs -2,5

Similar Questions

Multiple ChoiceWhich expression is NOT equivalent to 1? (theta) means 0 with dash in it. A.)sin^2 (theta)+cot^2 (theta) sin^2

Top answer: To find the expression that is NOT equivalent to 1, we need to simplify each expression and see if Read more.
1. Which expression is equivalent to cos 2theta for all values of theta ?cos^2 theta – sin^2 theta ~ cos^2 theta – 1 1 – 2

Top answer: #3 should be piK, pi/2 + 2piK since sin=0 or 1 #4. should be 0° and 30° since they asked for Read more.
Which expression equivalent to: cos(theta + pi/2).A)cos theta B)-cos theta C)sin theta D)-sin theta my book doesnt give examples

Top answer: OHHHH NOOOOO!!!! I sure hope you don't think that cos(A+B) = cosA + cosB !!!!!! and what is with Read more.
can you correct the rest for me please?Express each as a function of theta: a. sin (270deg + theta)= cos theta b. cos (pi +

Top answer: a) I get -cos theta b) -cos theta yes c) 810 = 360*2 + 90 so really tan (90+theta) =-cotan (theta) Read more.
can you correct the rest for me please?Express each as a function of theta: a. sin (270deg + theta)= cos theta b. cos (pi +

Top answer: Certainly! I can help you with that. a. To express sin(270° + theta) as a function of theta, we can Read more.
can you correct the rest for me please?Express each as a function of theta: a. sin (270deg + theta)= cos theta b. cos (pi +

Top answer: a. To express sin(270° + θ) as a function of θ, we can use the property sin(x + 270°) = cos(x). Read more.
Which of the following expressions are not equal to 1?A) sin^2 theta + cot^2 theta sin^2 theta B) (sin^2 theta/1-cos theta)-cos

Top answer: for D I get c^2/s^2 * s^2 /c^2 = 1 sorry A gives s^2 (1 + c^2/s^2) = s^2 + c^2 = 1 B gives (does not Read more.
Prove the following identities:1. (tan theta - sin theta)^2 + (1-cos theta)^2 = (1-sec theta) ^2 2. (1-2cos^2 theta) / sin theta

Top answer: sinθ = tanθ cosθ, so tanθ - sinθ = tanθ (1-cosθ) squared that is tan^2θ (1-cosθ)^2 now we Read more.
Prove the following identities:1. (tan theta - sin theta)^2 + (1-cos theta)^2 = (1-sec theta) ^2 2. (1-2cos^2 theta) / sin theta

Top answer: To prove the given identities, we will work on both sides of each equation and simplify them until Read more.
Which one or ones of the following integrals produces the area that lies inside the circle r = 3 sin θ and outside the cardioid

Top answer: geez - again? B Read more.