maths trigonometry

posted by .

if theta = 45, the value of cosec ^ 2 theta is ?

  • maths trigonometry -

    cosec(theta)=1/sin(theta)

    sin(45°)= sqrt(2)/2= 1/sqrt(2)


    cosec(45°)=1/[1/sqrt(2)]


    cosec(45°)=sqrt(2)

    cosec^2(45°)=[sqrt(2)]^2= 2

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Trigonometry

    I don't understand how I'm supposed set the problem up or what theta is... Use the given function value(s), and trigonometric identities (including the cofunction identities), to find the indicated trigonometric functions. sec theta …
  2. Maths

    Find the value of theta: -810Cos(theta) + 135 + 2430 Sin(theta)Cos(theta) = 0 Can someone please show me how to simplify it to find the value of theta?
  3. trig

    (sec theta + cosec theta) (sin theta +cos theta) = 2 + sec theta cosec theta
  4. trig

    If sin theta is equal to 5/13 and theta is an angle in quadrant II find the value of cos theta, sec theta, tan theta, csc theta, cot theta.
  5. ,math

    show that sec theta(cosec theta) - cot theta = tan theta
  6. TRIGONOMETRY

    Express tan theta in terms of cosec theta
  7. MATHS TRIGONOMETRY

    if 3sin theta =2 and cos greater than 0,with the aid of a diagram determine the value of: a) tan theta b) sin theta/cos theta c) sin^2 theta + cos^2 theta
  8. Geography

    cosec theta cosec theta Cosec theta-1 + cosec theta+1 =2sec square theta
  9. Math

    An angle theta satisfies the relation (csc theta)(cos theta)=-1 Give an example of information needed to determine a unique value for theta If sec theta is known to be negative, what is the csc theta value of theta?
  10. Maths - trigonometry

    if sec theta*sin(36° + theta )=0 , find the value of theta so that theta and 36°+theta are acute angles

More Similar Questions