| Steps | Key Sequence | Screens |
| 1. Change Mode to Radians | Press MODE | ![]() |
| Press down arrow key three (3) times | ![]() |
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| Press right arrow key once | ![]() |
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| Press 1 (for RADIAN) | ![]() |
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| Press ENTER (to Save) | ![]() |
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| 2. Clear Stored Values in Variables | Press 2nd, then F1 (to select F6) |
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| Press 1 (for Clear a-z) |
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| Press ENTER (to Clear a-z) |
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| 3. Select tCollect Function | Press F2 (for Algebra menu) | ![]() |
| Press 9 (for Trig submenu) | ![]() |
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| Press 2 (for 'tExpand(') |
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| 4. Input Function | ![]() |
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| 5. Execute | Press ')', then ENTER | ![]() |
| NOTE: If the result contains an arrow at the end of the expression, use up/right arrows to view the rest of the expression. | ||