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Sergeu [11.5K]
2 years ago
8

Explain why my calculator gives an error when you enter cos^-1 (5/4)

Mathematics
2 answers:
Gemiola [76]2 years ago
5 0

Answer:

see explanation

Step-by-step explanation:

To obtain a solution for cos^{-1} (x) , then

- 1 ≤ x ≤ 1

That is the value of x cannot be greater than 1 or less than - 1

here x = \frac{5}{4} = 1.25 which is greater than 1 , thus calculator will return ' error'

Gnoma [55]2 years ago
4 0

Step-by-step explanation:

because the is no answer for that in the calculator

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