pre cal

cosA (-7/25) pi < A < 3pi/2 sin B= -3/5 3pi/2 <B<2pi

  1. 👍 0
  2. 👎 0
  3. 👁 175
asked by aubrey

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    Test for symmetry with repsect to Q=pi/2, the polar axis, and the pole. r=16cos 3Q r=16cos(3pi/3 + 3h) = 16(cos3pi/2 3h- sin 3pi/2 sin h) cos 3pi/2 = 0 sin 3pi/2 = -1 Not symmetrical My teacher said that this was wrong!Why?

    asked by Abbey(Please help) on May 5, 2010
  2. Math

    Test for symmetry with repsect to Q=pi/2, the polar axis, and the pole. r=16cos 3Q r=16cos(3pi/3 + 3h) = 16(cos3pi/2 3h- sin 3pi/2 sin h) cos 3pi/2 = 0 sin 3pi/2 = -1 Not symmetrical My teacher said that this was wrong!Why?

    asked by Abbey on May 5, 2010
  3. trig

    Solve cos x-1 = sin^2 x Find all solutions on the interval [0,2pi) a. x=pi, x=pi/2, x= 2pi/3 b. x=3pi/7, x=pi/2, x=2pi/3 c. x=3pi/7, x=3pi/2, x=3pi/2 d. x=pi, x=pi/2, x=3pi/2

    asked by Anonymous on May 23, 2012
  4. Algebra 2

    What values for theta(0

    asked by Fading on May 31, 2017
  5. Calculus

    Determine whether the curve has a tangent at the indicated point. f(x)= sin x 0

    asked by Hannah on September 7, 2010
  6. pre-calc

    Can someone help me find the exact value of 4csc(3pi/4)-cot(-pi/4)? Thanks! cotx =1/tanx cscx = 1/sinx If you find it easier to conceptualize in degrees, realize that pi/4 radians is 45º and 3pi/4 is then 135º If you know the

    asked by sarah on May 5, 2007
  7. Math III

    What values for theta(0

    asked by Bryce on December 7, 2018
  8. Math:)

    Explain why sin^-1[sin(3pi/4)] does not = 3pi/4 when y=sin(x) and y=sin^-1(x) are inverses. Any help on this question is greatly appreciated. Thank you!

    asked by girly girl on March 20, 2018
  9. Calculus

    Hello Everyone, I need help with Calc II. 1. Integral from 0 to 1 of (sin(3*pi*t))dt For this one, I got -1/3pi cos (9 pi^2) + 1/3pi 2. indefinite integral of sinxcos(cosx)dx I got sin(cosx) + C 3. Indefinite integral of x over

    asked by Shelley on January 22, 2007
  10. Pre-Calculus-check answers

    State the period and phase shift of the function y=-4tan(1/2x + 3pi/8) a) 2pi, -3pi/4 b) pi, 3pi/8 c) 2pi, 3pi/8 d) pi, -3pi/8 Answer: d 2) What is the equation for the inverse of y=cos x+3: a) y=Arccos(x+3) b) y=Arccos x-3 c)

    asked by Lucy on August 30, 2008

More Similar Questions