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7.4E: The Other Trigonometric Functions (Exercises)

  • Page ID
    56106
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    For the following exercises, find the exact value of the given expression.

    39. \(\cos \frac{\pi}{6}\)

    40. \(\tan \frac{\pi}{4}\)

    41. \(\csc \frac{\pi}{3}\)

    42. \(\sec \frac{\pi}{4}\)

    For the following exercises, use reference angles to evaluate the given expression.

    43. \(\sec \frac{11 \pi}{3}\)

    44. \(\sec 315^{\circ}\)

    45. If \(\sec (t)=-2.5,\) what is the \(\sec (-t) ?\)

    46. If \(\tan (t)=-0.6,\) what is the \(\tan (-t) ?\)

    47. If \(\tan (t)=\frac{1}{3},\) find \(\tan (t-\pi)\)

    48. If \(\cos (t)=\frac{\sqrt{2}}{2},\) find \(\sin (t+2 \pi) .\) There are two possible solutions.

    49. Which trigonometric functions are even?

    50. Which trigonometric functions are odd?


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