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Unit Circle, CAST, Quadrants, Exact Values and Special Triangles (Part 2)

  1. 1
    a) Find one negative and one positive co-terminal angle with 30°

    b) Find the exact value for sin -420°
  2. 2
    a) Find one negative and one positive co-terminal angle with 150°

    b) Find the exact value for tan 840°
  3. 3
    Find the exact value for:

    (sin 30°)(cos 30°)(sin 240°)
  4. 4
    Find the exact value for:

    (tan 30°)(cos 135°)(sin 300°)
  5. 5
    Find the exact value for:

    $sin^2 60°+cos^2 60°$
  6. 6
    Find the exact value for:

    (sin 30°)(cos 45°)+(sin 225°)(cos 330°)
  7. 7
    Find the exact value for:

    (sin 225°)(tan 300°)$-$(tan 150°)(cos 330°)
  8. 8
    Given $sin\theta=\frac{3}{5}$ and $\angle\theta$ is in quadrant II:

    a) Find $cos\theta$

    b) Find $tan\theta$

    c) Find $\theta$ to the nearest degree.
  9. 9
    Given $cos \theta=\frac{-5}{13}$ and $\theta$ is in quadrant III:

    a) Find $sin \theta$ and $csc\theta$.

    b) Find $tan \theta$ and $cot\theta$

    c) Find $\theta$ to the nearest degree.
  10. 10
    Given $cot\theta=-2$ and $\theta$ is in quadrant IV:

    a) Find $cos\theta$ and $sec\theta$

    b) Find $sin\theta$ and $csc\theta$

    c) Find $\theta$ to the nearest degree.

    ( trigonometry / trig )

$$e=mc^2$$