Question

Determine whether following pairs of angles are conterminal or not
A 1230° 930°​

Answer 1

Answer:

Given that A=[−1,1]

h(x)=x∣x∣

⇒ x

1

∣x

1

∣=x

2

∣

2

∣⇒ x

1

=x

2

so, h(x) is one-one

Now, let y=x∣x∣

⇒ y=x

2

∈A,∀x∈A

So, h(x) is onto also, h(x) is a bijective