x2_practice_key.doc - o cfw_x2_practice_key 1 308.251 2...

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1. 308.251 o {x2_practice_key} 2. 4.077 radians 3. 50.4 sq. in. 4. sin θ = -11√(146)/146, csc θ = -√(146)/11, cos θ = 5√(146)/146, sec θ = √(146)/5, tan θ = -11/5, cot θ = -5/11 5. 1.143 6. 79.611 o (= 1.389 radians) 7. B = 62 degrees , b = 28.211, c = 31.951 8. amplitude = 7, period = 2pi/5, phase shift = -pi/20, range = [2.6, 16.6]. 9. sin θ = 3/10, cos θ = √(91)/10, sec θ = 10√(91)/91,
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