Most scientific calculators have keys for the values of onlysin1 x, cos1 x, and tan1 x
Chapter 0, Problem 51(choose chapter or problem)
Most scientific calculators have keys for the values of only \(\sin ^{-1} x, \cos ^{-1} x\), and \(\tan ^{-1} x\). The formulas in Exercise 50 show how a calculator can be used to obtain values of \(\cot ^{-1} x, \sec ^{-1} x\), and \(\csc ^{-1} x\) for positive values of \(x\). Use these formulas and a calculator to find numerical values for each of the following inverse trigonometric functions. Express your answers in degrees, rounded to the nearest tenth of a degree.
(a) \(\cot ^{-1} 0.7\)
(b) \(\sec ^{-1} 1.2\)
(c) \(\csc ^{-1} 2.3\)
Equation Transcription:
Text Transcription:
sin^-1 x
tan^-1 x
cos^-1 x
cot^-1 x
sec^-1 x
csc^-1 x
cot^-1 0.7
sec^1 1.2
csc^-1 2.3
x
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