posted by .

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

  • Math -

    Use the double angle formula:

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math - Calculus

    The identity below is significant because it relates 3 different kinds of products: a cross product and a dot product of 2 vectors on the left side, and the product of 2 real numbers on the right side. Prove the identity below. | a …
  2. Math

    If sinθ=1/5 and θ is in Quadrant I, find the exact value of sin2θ.
  3. Math/Trigonometry

    Find the exact value of cosθ if sinθ=-2/3, and θis in standard position with its terminal side in Quadrant IV.
  4. math

    if cosθ=2/3 and tanθ<0 find the exact value sin(θ-5π/3) sin2θ cos2θ cos(θ/2) can some1 please help me?
  5. trig

    The terminal side of θ lies on a given line in the specified quadrant. Find the values of the six trigonometric functions of θ by finding a point on the line. Line: (55/48)x Quadrant:III sin(θ)= cos(θ)= tan(θ)= …
  6. precalculus

    sinθ=12/13, θ lies in quadrant II. Find the exact value of sin2θ, cos 2θ, tan2θ
  7. math trigono

    1. If tanθ = –√3 , what is the value of cot ?
  8. trigonometry

    5. If cot 2θ = 5/12 with 0 ≤ 2θ ≤ π , find cosθ, sinθ, and tanθ 8. Find the exact value of sin2a if cosa = 4/5(a in Quadrant I) 13. Find the exact value of tan2 if sinB = 5/13 (B in quadrant …
  9. Math

    1. Find the exact value of 2tan pi/12 / 1-tan^2 pi/12 root 3/3?
  10. Trig

    Given that csc θ = -4 and tan θ > 0, find the exact value of a. x b. sin θ c. cos θ d. r e. sec θ f. cot θ

More Similar Questions