NAME ___________________________________________ DATE________________
TRIGONOMETRIC FUNCTIONS
Use your
The law of sines is | a | |
| b | | c | . |
sin | sin |
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|
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| sin | ||||
The law of cosines is c 2 | a 2 | b2 2ab cos . |
1.Given 30, 63, a 11determine the length of side c.
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2.Given 16 grads, 69 grads, b 123 find the length of side a.
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3.Given a 30, b 40, 1.5 radians find the length of side c.
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4.Given a 15, c 30, 45 find the length of side b.
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5.Given b 13, c 23, 100 grads find the length of side a using the law of sines.
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