7 trigonometric ratios you can find on the calculator There are numerous different measurement units for angles that can be measured, with degrees being one such option. Before you use the calculator to find the the trigonometric proportions of angles in degrees, you must make sure the calculator is set to use the right units. Always check that the calculator is using the correct method of angle measurement prior to using trigonometric ratios. Your calculator is configured to make use of degrees if the display indicator appears in the center of the display. If you notice this indicator and/or it is, then it means that your calculator can be set to employ different types of units when measuring angles.Figure 9 shows the degree setting. To change the settings of the calculator so that it works in degrees, you must use the key sequence (SETUP) (Deg). To determine the sine cosine, tangent, or sine of an angle, simply press the , or key and then input the dimension of ...
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