Answer:-
To put your TI-30X IIS calculator in radian mode, follow these steps: Press the MODE button. Use the arrow keys to navigate to the second row, where you’ll see DEG (degrees) and RAD (radians). Highlight RAD using the arrow keys. Press ENTER to select it. Press 2nd and then MODE (QUIT) to return to the main screen. Your calculator is now in radian mode, which is useful for trigonometry and calculus. Always check the mode before performing angle-related calculations!
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