Function Calculations
kTrigonometric Functions (sin, cos, tan) and Inverse Trigonometric Functions
The first four examples below use “Degree” (indicated by “Deg” in the status bar) as the angle unit setting. The final example uses “Radian” (indicated by “Rad”). For details about these settings, see
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sin63° = 0.8910065242 | TRIG |
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| s63 w | |||||||||||||
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2 · sin45° ⋅ cos65° |
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| Func |
| 2*s45 )*c65 w | ||||||||||||
= 0.5976724775 |
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1 |
| TRIG |
| Func |
| 1/s30wor | ||||||||||||
cosec30° = |
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sin30° |
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| TRIG |
| Func |
| S0.5 w | |||||||||||||
(Determine x for sinx = 0.5.) |
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| “.5” can also be used. | |||||||||||||
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| π |
| TRIG |
| Func |
| Change the [Angle] setting to | |||||||||||
cos(( |
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3 |
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| “Radian”. | |||||||||
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| c7/3 wor | |||||||||
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| c)N7c 3 w | |||||||||
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Tip
•The angle unit setting you specify remains in effect until you change it.
•To move between entry boxes in a 2D math symbol you can use the cursor keys or tap inside a box.
20060301