Quiz 7
Name: ______________________
Math 115007
November 5, 2009
1.
(12 points) Given cos(θ) =
3
1
(with θ in Quadrant I), find the following using the
appropriate doubleangle or halfangle formula:
sin(
θ
) =
cos(
2
) =
sin(
2
) =
cos(
2
) =
tan(
2
) =
sin(
2
) =
2.
(2 points each) Find the following trigonometric values using halfangle or sum
and differenceidentities.
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This note was uploaded on 03/04/2012 for the course MATH 115 taught by Professor Ms.park during the Fall '09 term at South Carolina.
 Fall '09
 Ms.Park
 Math

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