Precalc HELP PLEASE

posted by .

verify

1-sintheta * costheta * tantheta = cos^2theta

  • Precalc HELP PLEASE -

    LS = 1 - sinØcosØ(sinØ/cosØ)
    = 1 - sin^2 Ø
    = cos^2 Ø
    = RS

  • Precalc HELP PLEASE -

    thank you, what does RS and LS stand for?

  • Precalc HELP PLEASE -

    Right Side --RS
    Left Side ???

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Science

    Given seccant of thata = 3, use trigonometric identities to find the exact value of a- Cos thata b- tan squre of thata c csc (90 degree - thata) d- sin squre thata secTheta=3 but secTheta= 1/cosTheta solve for cosTheta Then, sin^2theta+ …
  2. math

    There are no typos and no work b/c I don't know how to do them. Thanks. 1)Find cos theta if sin theta=3/5 and 90 degrees<theta<180 degrees. A)4/5 B)-4/5 C)square root of 34/5 D)-square root of 34/5 I chose A 2)Simplify:1-csc^2theta/cot^2theta …
  3. pre-calculus

    Graph the polar equation: 2=r cos(theta + 180) 2=r(costheta cos180+sintheta sin180) 2=r(1/2costheta +pi+ pi sintheta) 2=1/2rcostheta + pi rsintheta 2=1/2x+ pi y 4=x+ pi 0= x + pi-4 how do i graph?
  4. maths

    I'm reviewing for my exams, and I was sure that I was comfortable with solving trigonometric identities, but now that I'm looking at ones on my review, I'm not so sure. Could someone please show me, step by step, how to answer one?
  5. Precalc please

    Verify: 1/(1-sintheta) * 1/(1+sintheta) = sec^2theta
  6. Pre-Calculus

    Verify: 1/(1-sintheta) * 1/(1+sintheta) = sec^2theta sec^2theta is the answer, it would be great if someone can do the steps for me. thank you.
  7. maths trigonometry

    if cottheta=7/8 then what is the value of 1+costheta/1-sintheta*1-costheta/1+sintheta.
  8. Math

    sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactly sin(2theta) cos(2theta) tan(2theta) sin(2theta) would it be 2 x (8/17) cos(2theta) would be 2 x (15/17) tan(2theta) would be 2 x …
  9. Precalc+trig

    Solve tan(40/90) for the double angle cos(2theta). I know I use the x^2 + y^2 = r^2 formula and cos(2theta) = cos^2theta - sin^2theta. But I don't understand my answer
  10. Trig

    Solve each equation for exact solutions over the interval [0,360)where appropriate. Round approximate solutions to the nearest tenth degree. Sin^2Theta=Cos^2Theta+1 My Work: Using double angle Identity I subtract 1 to other side therefore: …

More Similar Questions