Math

solve sin(2θ)+1=0 on the interval 0≤θ≤2pi

  1. 👍
  2. 👎
  3. 👁
  1. sin(2theta)=-1
    2theta= arcsin(-1)= 3/2 PI

    so theta= 3/4 PI

    check my thinking.

    1. 👍
    2. 👎
    👤
    bobpursley

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    The graph of f(x), a trigonometric function, and the graph of g(x) = c intersect at n points over the interval 0

  2. calculus

    Find complete length of curve r=a sin^3(theta/3). I have gone thus- (theta written as t) r^2= a^2 sin^6 t/3 and (dr/dt)^2=a^2 sin^4(t/3)cos^2(t/3) s=Int Sqrt[a^2 sin^6 t/3+a^2 sin^4(t/3)cos^2(t/3)]dt =a Int

  3. Math

    how many solutions does the equation sin(5x)=1/2 have on the interval [0,2pi]?

  4. calc

    sin2x = (radical 3)/ 2 solve each equation on the interval [0,2pi)

  1. Inverse Trig

    How do I simplify arcsin (sin 6 pi) given the interval 0 ≤ theta < 2pi

  2. Algebra 2

    Find the values of the inverse function in radians. sin^-1(0.65) a. 0.71+2pi n and -0.71+2pi n b. 0.71+2pi n and -3.85+2pi n c. 0.86+2pi n and -0.86 +2pi n d. -0.61+2pi n and 2.54+2pi n 2. tan^-1(0.09) a.-0.09+2pi n b. no such

  3. trig

    Find all solutions in the interval [0,2pi]. sin 2x + sin x = 0

  4. Trigonometry

    4. Find the exact value for sin(x+y) if sinx=-4/5 and cos y = 15/17. Angles x and y are in the fourth quadrant. 5. Find the exact value for cos 165degrees using the half-angle identity. 1. Solve: 2 cos^2x - 3 cosx + 1 = 0 for 0

  1. calc

    find the absolute maximum and minimum for f(x) = x+ sin(x) on the closed interval [0, 2pi]

  2. calc

    i did this problem and it isn't working out, so i think i'm either making a dumb mistake or misunderstanding what it's asking. A particle moves along the x axis so that its velocity at any time t greater than or equal to 0 is

  3. math

    Find the values of theta (0,2pi) that satisfy sin theta= square root 3 over 2 Solve 2costheta sintheta-sintheta on (0, 2pi) please I really need help in knowing how to solve these questions. quite urgent. I don't understand how to

  4. math

    Find all solutions to the equation tan(t)=1/tan (t) in the interval 0

You can view more similar questions or ask a new question.