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Questions and Answers
Convert $120^ ext{o}$ to radians.
Convert $120^ ext{o}$ to radians.
$120^ ext{o} = 2rac{2}{3} \pi$
Convert $3rac{ ext{pi}}{4}$ to degrees.
Convert $3rac{ ext{pi}}{4}$ to degrees.
$3rac{ ext{pi}}{4} = 135^ ext{o}$
Identify the sine and cosine values for $60^ ext{o}$ on the unit circle.
Identify the sine and cosine values for $60^ ext{o}$ on the unit circle.
For $60^ ext{o}$, $ ext{sin}(60^ ext{o}) = rac{ ext{sqrt}(3)}{2}$ and $ ext{cos}(60^ ext{o}) = rac{1}{2}$
If in a right triangle, the opposite side is 4 and the hypotenuse is 5, find the sine of the angle opposite the side of length 4.
If in a right triangle, the opposite side is 4 and the hypotenuse is 5, find the sine of the angle opposite the side of length 4.
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Using the Law of Sines, if $a=3$, $b=4$, and angle $A=30^ ext{o}$, find angle $B$ in a triangle.
Using the Law of Sines, if $a=3$, $b=4$, and angle $A=30^ ext{o}$, find angle $B$ in a triangle.
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Convert $45^{ ext{o}}$ to radians.
Convert $45^{ ext{o}}$ to radians.
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Identify the cosine value for $90^{ ext{o}}$ on the unit circle.
Identify the cosine value for $90^{ ext{o}}$ on the unit circle.
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If in a right triangle, the adjacent side is 6 and the hypotenuse is 10, find the cosine of the angle adjacent to the side of length 6.
If in a right triangle, the adjacent side is 6 and the hypotenuse is 10, find the cosine of the angle adjacent to the side of length 6.
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Write the equation of a sine graph with an amplitude of 2, period of $2 ext{ ext{pi}}$, phase shift of $rac{ ext{ ext{pi}}}{2}$, and midline at $y=3$.
Write the equation of a sine graph with an amplitude of 2, period of $2 ext{ ext{pi}}$, phase shift of $rac{ ext{ ext{pi}}}{2}$, and midline at $y=3$.
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Apply the Law of Sines to solve a triangle with side lengths $a=8$, $b=10$, and $c=6$.
Apply the Law of Sines to solve a triangle with side lengths $a=8$, $b=10$, and $c=6$.
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