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Precalculus II

by: Dillan Bogan

Precalculus II MATH 162

Dillan Bogan
Community College of Philadelphia
GPA 3.99

Jere Brubaker

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Jere Brubaker
Study Guide
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This 2 page Study Guide was uploaded by Dillan Bogan on Sunday October 11, 2015. The Study Guide belongs to MATH 162 at Community College of Philadelphia taught by Jere Brubaker in Fall. Since its upload, it has received 69 views. For similar materials see /class/221228/math-162-community-college-of-philadelphia in Mathematics (M) at Community College of Philadelphia.


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Date Created: 10/11/15
Mathil627test7343racticeJ3roblems Simplify the following trigonometric expressions sec Xcos X2 sin X2CSC X2 sin X2 tan Xcsc X Verify prove the following identities tan Xcos X sin X2CSC X sin X sin Xcsc X l csc X2tan X csc Xsec X Write the following eXpression as a single trigonometric eXpression coswcos80 sinwsin80 Solve the following equation 2cos X sin 2X 0 Simplify the following eXpression cos2X sian EXpand the following eXpression so that there is no subtraction in the domain of the sine function sin 2X 7 5 Find the appr0Ximate value of the following functions or composition of functions tan39l 2 7 arccossin 45 sin39l 57 cos391 12 coscos391 23 Solve the following equations sinX 34 cosX 5 3tan X 75 csc X l3 3cos X 3 0 3cos2 X 2cos X 0 2cos X 3sin XcosX 0 Complete the following operations and give the answer in a bi form 2 7 3i 5 7i 5 7i 7 9 7 8i 4 7 3i2 7i l 7 5i1 5i Convert the following rectangular coordinates to polar form 43 07 65 5 7 4 5 Convert the following polar coordinates to rectangular form 3 50 10 300 5 130 11 200 Complete the following division and give your answer in a bi form 34i 2 7 3i Express the complex numbers in trigonometric form 5 4i 8 5i 0 7i Convert the complex numbers to a bi form 10cos 200 i sin 200 13cos 180 i sin180 Let z 4cos 120 i sin 120 w 6cos 130 i sin 130 be two complex numbers Perform the following operations and give the answer in trigonometric form with angles between 0 and 360 degrees ZXW 2 W4 2 MT The fth root ofw Find 1 i 12


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