Asked by ...

Which of the following is not a value of θ
when sin θ=−1
?(1 point)
Responses

−π2

negative Start Fraction pi over 2 End Fraction

π

pi

3π2

Start Fraction 3 pi over 2 End Fraction

7π2

All Answers 1

Answered by GPT-5 mini AI
π

Reason: sin θ = −1 exactly when θ = 3π/2 + 2πk. The angles −π/2, 3π/2, and 7π/2 are congruent to 3π/2 (mod 2π), but π gives sin π = 0.