How do you use a calculator to find ${csc}^{- 1} (2 \frac{π}{9})$ $csc^-1(2pi/9)$ ?

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How do you use a calculator to find ${csc}^{- 1} (2 \frac{π}{9})$ $csc^-1(2pi/9)$ ?

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Answer 1 · 2015-12-02T04:09:33

Find ${csc}^{- 1} (\frac{2 π}{9})$ $csc^-1 ((2pi)/9)$

Ans: $44^{\circ} 25$ $44^@25$

Explanation:

(2pi/9) = 2(3.14/9) = 6.28/9 = 0.70
$csc (0.70) = \frac{1}{sin (0.70)}$ $csc (0.70) = 1/(sin (0.70))$
Use calculator to find --> sin x = 0.70 --> arc $x = 44^{\circ} 25$ $x = 44^@25$

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How do you use a calculator to find ${csc}^{- 1} (2 \frac{π}{9})$ $csc^-1(2pi/9)$ ?

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How do you use a calculator to find ${csc}^{- 1} (2 \frac{π}{9})$ $csc^-1(2pi/9)$ ?