Question

1 - cos 2 theta = 3/4 , find the value of theta

Answer 1

Answer:

hello friend here ur answer

Step-by-step explanation:

theta=30degree

Answer 2

Answer:

I hope it helps you..

Step-by-step explanation:

(∅= threta)

• 1 – cos2∅ = ¾
• √(1–cos2∅) = √(¾)
• sin2∅ = √(3)/4
• sin2∅ = sin 60°
• 2∅ = 60°
• ∅ = 60°/2
• ∅ = 30° ( answer)