Post a New Question

Math

posted by on .

If sinθ=1/5 and θis in Quadrant I, find the exact value of 2θ.

  • Math - ,

    Use the double angle formula:
    sin(2θ)=2sin(θ)cos(θ)
    given
    sin(θ)=1/5
    cos(θ)=sqrt(1-(1/5)²))=sqrt(24)/5

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question