Precalculus 2 Practice Exam

Test 2 Time: 1.5 hours

  1. Use fundamental identities and algebra to simplify


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

  2. Find all exact solutions for


    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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