How do you evaluate using a calculator of cos^-1(-0.8090)? | Socratic
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Inverse trig. functions
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. -
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. -
View question - What is the difference between cos and cos-1, and how do I use the latter on a scientific calculator?
Inverse Sine, Cosine, and Tangent on Ubuntu Calculator - Ask Ubuntu
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cos(1.57079632) is a bit of a torture test. : r/calculators
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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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Solved I want to get the answer 'cos-1(7.9)= 38.06*' in the | Chegg.com
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Find the exact value of \cos^{-1}(0). (Do not use a calculator.) | Homework.Study.com
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