Term
| What is a reference angle? |
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Definition
| = An acute angle formed by the terminal side of the given angle and the x-axis. |
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Term
| Finding reference angle for an angle in first quadrant. |
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Definition
| = theta (its its own angle) |
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Term
| Finding reference angle for an angle in second quadrant. |
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Definition
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Term
| Finding reference angle for an angle in third quadrant. |
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Definition
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Term
| Finding reference angle for an angle in fourth quadrant. |
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Definition
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Term
| What trigonometric function is positive in the first quadrant? |
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Definition
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Term
| In a circle whose radius is other than 1: sin is equal to? |
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Definition
| = y/r(also know that sin corresponds to the x axis) |
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Term
| In a circle whose radius is other than 1: cos is equal to? |
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Definition
| = x/r(also know that cos correspond to the y axis) |
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Term
| In a circle whose radius is other than 1: |
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Definition
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Term
| What are quadrantal angles? |
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Definition
| Angle whose terminal side lies on one of the axes. |
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Term
| Exact values- draw the 30 , 60, 90 triangle with side ratios. |
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Definition
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Term
| Exact values- draw the 45 , 45, 90 triangle with side ratios. |
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Definition
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Term
| Exact values- draw the circle with quadrantal angles. |
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Definition
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Term
| How to express as function of an angle less than 45 degrees? |
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Definition
1. Express as as a reference angle.
2. Express as the equivalent co-function of the complement. |
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