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Assignment # 20 (Section 5.3)

Assignment # 20 (Section 5.3) - Student Chintal Patel Date...

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Student: Chintal Patel Date: 12/06/2007 Time: 3:28:42 PM Instructor: Gary Penner Course: Fall 07, Math 1316.8003, Plane Trigonometry Book: Lial: Trigonometry, 8e ENHANCED Assignment: Assignment #20 (Section 5.3) 1. Use appropriate identities to find the exact value of the expression. cos( ) What is the exact value of cos( )? 2. Use the cosine sum and difference identities to find each exact value. cos cos (Type an exact answer, using radicals as needed.) 3. Simplify the expression by using an appropriate identity. Do not use a calculator. 4. Rewrite ( ) in terms of its cofunction. ( ) ( ) (Simplify your answers. Type the cofunction abbreviation in the first input box. Type the angle measure in the second input box.) Page 1 of 3

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Student: Chintal Patel Date: 12/06/2007 Time: 3:28:42 PM Instructor: Gary Penner Course: Fall 07, Math 1316.8003, Plane Trigonometry Book: Lial: Trigonometry, 8e ENHANCED Assignment: Assignment #20 (Section 5.3) 5. Write the function in terms of the cofunction of a complementary angle.
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Assignment # 20 (Section 5.3) - Student Chintal Patel Date...

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