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Prove that cos²theta + tantheta

  1. Prove that cos²theta + tantheta cosectheta=cos theta
    1. answers icon 1 answer
    2. Tony asked by Tony
    3. views icon 107 views
  2. prove that 2 cosec 4 theta sec 2 theta=(1-tantheta/1+tantheta)cosec2theta
    1. answers icon 1 answer
    2. singh asked by singh
    3. views icon 482 views
  3. Find sin2theta, cos2theta, and tan2theta for costheta = -12/13 in pi < theta < 3pi/2.My answers: 20111/24336 for tan2theta.
    1. answers icon 4 answers
    2. Anonymous asked by Anonymous
    3. views icon 2,168 views
  4. Given that SIN Theta = -1/sqrt(10) and theta is in quadrant 4, find sin2theta and cos2theta.I'm not sure how to properly square
    1. answers icon 1 answer
    2. Joe asked by Joe
    3. views icon 661 views
  5. prove 3cos theta - cos3theta = 2cos theta cos2theta + 4sin theta sin 2theta
    1. answers icon 0 answers
    2. Cindy asked by Cindy
    3. views icon 551 views
  6. Prove thisCot²(90-theta) /tan² theta-1 + cosec²theta/sec²theta-cosec²theta= 1/sin²theta - cos²theta
    1. answers icon 1 answer
    2. Akash asked by Akash
    3. views icon 700 views
  7. if (asquare-bsquare)sintheta=2abcostheta=asquare+bsquare then prove that tantheta=asquare-bsquare/2ab
    1. answers icon 1 answer
    2. akhtar asked by akhtar
    3. views icon 368 views
  8. solve:tantheta = sintheta
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    2. Davis asked by Davis
    3. views icon 651 views
  9. Convert tantheta=8 to it's corresponding rectangular equation
    1. answers icon 1 answer
    2. Ann asked by Ann
    3. views icon 227 views
  10. verify1-sintheta * costheta * tantheta = cos^2theta
    1. answers icon 3 answers
    2. valeria asked by valeria
    3. views icon 1,023 views