Specify all angles in the range [[$ 0 ° ≤\alpha ≤ 180 ° $]] for which

a) [[$ \sin \alpha = 0,5 $]]



Answer: [[$ \alpha $]] is ° or °.

b) [[$ \sin \alpha = 0,7 $]]



Answer: [[$ \alpha $]] is ° or °.

c) [[$ \sin \alpha = 0 $]]



Answer: [[$ \alpha $]] is ° or °.

d) [[$ \sin \alpha = 1 $]]



Answer: [[$ \alpha $]] is ° or °.