Question

solve the problem as soon as possible ​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

Option(B)

Step-by-step explanation:

Given Equation is sin²θ - 2sinθ = -1

Let a = sinθ

⇒ a² - 2a = -1

⇒ a² - 2a + 1 = 0

⇒ (a - 1)² = 0

⇒ a = 1.

∴ Sinθ = 1.

Hope it helps!