What is the value of cos-1(-x) for all x belongs to [-1, 1]?
Posted: Wed Jul 13, 2022 8:06 pm
a) cos-1(-x)
b) π – cos-1(x)
c) π – cos-1(-x)
d) π + cos-1(x)
b) π – cos-1(x)
c) π – cos-1(-x)
d) π + cos-1(x)
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