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Trig Values Reverse

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atrig5.zip
Filename atrig5.zip (Download)
Title Trig Values Reverse
Description This program is the reverse of the usual program of this kind. Instead of giving it angles and get the exact values, you give it the exact values and get the angles. The 13 exact values: 0, + -1, + -1/2, + -sqrt(2)/2, + -sqrt(3)/2, + -sqrt(3)/3, and + -sqrt(3), are displayed on the screen for your choice. When you make a choice it gives you the angles for sine, cosine, and tangent, but not just one angle each: For example -sqrt(3)/2, gives you the angles -60 and 240 for sine, and 150 and -150 for cosine, in mode degree. In mode radian that value gives you -pi/3 and 4pi/3 for sine, and 5pi/6 and -5pi/6 for cosine. For tangent the period of N*pi, or N*180 is given when the angle gets an exact value. The program works without changing any mode you have set, but to use it fully you need to alternate between mode degree and mode radian.
Author Anders Tiberg (anders.tiberg@telia.com)
Category TI-83/84 Plus BASIC Math Programs (Trigonometry)
File Size 1,728 bytes
File Date and Time Thu Apr 29 16:26:55 2010
Documentation Included? Yes

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ARCHIVE CONTENTS

Archive Contents
Name Size
ATRIG7 TI-83 Plus.8xp   1049
ATRIG7.rtf   1521

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