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Why are the cos-1 and sin-1 functions not working on my calculator? The answer always comes up as a math error and I don't know why. I'm definitely inputting everything right. -
Inverse trig. functions
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Why are the cos-1 and sin-1 functions not working on my calculator? The answer always comes up as a math error and I don't know why. I'm definitely inputting everything right. -
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Using Trigonometry to Find Angles – Math for Trades: Volume 3
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Solution 34422: Calculating Inverse Sine (Arcsine), Cosine (Arccosine), and Tangent (Arctangent) Using the TI-84 Plus C Silver Edition Graphing Calculator.
