Precalculus 2 Practice Exam

Test 2 Time: 1.5 hours


  1. Use fundamental identities and algebra to simplify

    displaymath66

    to one of the six basic trigonometric functions. Show all steps.

  2. Find all exact solutions for

    displaymath67

    on the interval tex2html_wrap_inline72 .

  3. A triangle has angles tex2html_wrap_inline74 and tex2html_wrap_inline76 . The side c between these angles is 6 feet long. Find the third angle C and the lengths of the other two sides. Round the lengths to two decimal places.

  4. Verify the identity tex2html_wrap_inline80 . Show all steps.

  5. Use the Sum and Difference Identities to find the exact values of tex2html_wrap_inline82 .

  6. If tex2html_wrap_inline84 and tex2html_wrap_inline86 , find the exact values for the following:
  7. A triangle has sides of lengths a=5, b=7, and c=10 meters. Find its three angles and round your results to one decimal place.

  8. Find all exact solutions for tex2html_wrap_inline98 on the interval tex2html_wrap_inline100 .

  9. Let tex2html_wrap_inline102 .

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Fri Jul 18 21:50:07 MDT 1997

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