kjseconda
kjseconda kjseconda
  • 21-05-2018
  • Mathematics
contestada

Which function has a range of (−90°, 90°)?
A) f(x) = sin−1(x)
B) f(x) = cos−1(x)
C) f(x) = tan−1(x)
D) f(x) = sec−1(x)

A is the answer.

Respuesta :

asadullahgiki
asadullahgiki asadullahgiki
  • 26-05-2018
Yes you are right because only sin⁻¹(x) is Bijective in the given range.
Option A is correct 
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