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| Hypotenuse of a 30-60-90 Triangle |
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| Short Side of a 30-60-90 Triangle |
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| Long side of a 30-60-90 triangle |
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You can add or subtract multiples of 2pi to radians
Ex. 3pi+2pi=(3/4 + 2)= 11pi/4 |
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| Always positive acute angles that refer back to the x-axis. |
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| Hypotenuse of a 45-45-90 Triangle |
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| Side of a 45-45-90 Triangle |
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| What is the reference angle of 110 degrees? |
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| What is the reference angle of -110 degrees? |
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| What is the reference angle of 2pi/3? |
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| What is the tan of 7pi/6? |
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| (-1/2)/(-√3/2)=(1/2)*(2/√3)=(1/√3)*(2/√3)=(1/√3)*(√3/√3)=(√3/3) |
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| How do you find the radian if you are given the degree? |
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| How do you find the degree if you are given the radian? |
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