Texas Instruments TI-34 II Teachers Guide - Page 113
Angle Settings and Conversions - radian mode
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Angle Settings and Conversions 16 Keys These numbered paragraphs provide explanations for the corresponding numbered keys on the illustration below. 1. % I displays a menu that lets you change the angle mode setting to DEG and RAD without affecting the value in the display. DEG Sets Degree mode. RAD Sets Radian mode. The default setting is DEG. 1 2 2. = displays a menu that lets you specify the unit of an angle. º Specifies degrees. r Specifies radians. 4DMS Specifies degrees (Ä), minutes (Å), and seconds (Æ). It also lets you convert an angle from decimal degrees to DMS notation. Notes • The examples on the transparency masters assume all default settings. • Angles with a trig function ignore the angle mode setting and display results in the original unit. Otherwise, angles (without a trig function) are converted and displayed according to the angle mode setting. • You enter decimal-degree angles the same as you would any other number. • For decimal/DMS conversions, the calculator interprets all values as degrees, regardless of the angle-unit setting. • DMS angles are entered as Ä (degrees), Å (minutes), and Æ (seconds). © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for Teachers 107