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150exam2Bsol

# 150exam2Bsol - Math 150 Midterm 2 Form B Solutions 1(a s =...

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Math 150 Midterm 2 Form B Solutions 1. (a) s = 12 5 π cm (b) A = 72 cm 5 π 2 or 45.24 cm 2 2. csc 5 α= 26 cos 5 56 sec 12 6 tan 12 cot 2 6 α=− 3. (a) amplitude = 2 period = 2 3 π phase shift = 3 π phase shift = 3 π -3.14159 -1.5708 1.5708 3.14159 -4 -3 -2 -1 1 2 3 4 a b c d e (b)

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The 5 key points as labeled in the graph above are a = ,0 3 π ⎝⎠ , b = ,2 2 π ⎛⎞ , c = 2 3 π ⎜⎟ , d = 5 6 π , e = () π 4. 3 4 5. tan 6 θ=− 6. sin 2 cos 2 sin cos θθ = sec θ = sin 2 cos
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150exam2Bsol - Math 150 Midterm 2 Form B Solutions 1(a s =...

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