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Unformatted text preview: ( α + = x k y sin ) 7. Find the exact radian value: a. − − 2 1 cos 1 = _____________ b. − 6 7 sin 1 π sin = ______________ c. − 3 tan sin 1 = ________________ 8. a. Find the exact value of − 4 3 sin 1 sec . b. Solve: ( ) 2 1 sin 1 = − − x 9. Graph 1 2 1 cos 3 ) ( + = x x f . State the period, amplitude, domain, range, and all translations. 10. A tree casts a shadow of 8.34 feet when the angle of elevation of the sun is 55.3 ° . Find the height of the tree to the nearest hundredth of a foot. 11. a. Convert 80 ° to radians. b. Find the exact value of ° − 240 sin 3 cos 6 tan π ....
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 Fall '11
 PamelaSatterfield
 Trigonometry, Sin, Euler's formula

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