Math

posted by .

θ is an angle such that 180∘<θ<270∘, and sinθ=−12/13. What is the value of

180(sin^2 θ/2+cos^2 θ/2 +tan^2 θ/2)?

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. Trigonometry

    Which of the following is equivalent to 1 − cos 2 θ/cos 2 θ?
  3. math trigono

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

    Let θ be the angle between the x-axis and the line connecting the origin O(0,0) and the point P(−3,−4), where 180∘<θ<270∘. Given that sinθ+cosθ+tanθ=−a/b, where a and b are …
  5. Trigonometry

    There are four complex fourth roots to the number 4−4√3i. These can be expressed in polar form as z1=r1(cosθ1+isinθ1) z2=r2(cosθ2+isinθ2) z3=r3(cosθ3+isinθ3) z4=r4(cosθ4+isinθ4), …
  6. Complex angles

    There are four complex fourth roots to the number 4−43√i. These can be expressed in polar form as z1=r1(cosθ1+isinθ1) z2=r2(cosθ2+isinθ2) z3=r3(cosθ3+isinθ3) z4=r4(cosθ4+isinθ4), …
  7. 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
  8. mechanics

    Two pool balls, each of mass 0.2kg, collide as shown in the figure above. Before the collision, the black ball’s velocity makes an angle of 30∘ with the horizontal line. After the collision, the white ball’s velocity makes …
  9. Math Question

    Given tan θ = -8/5 and sin θ < 0, find sin θ, cos θ, csc θ, sec θ, and cot θ.
  10. PRECALC

    solve the equation 1. cos(θ) − sin(θ) = 1 2.2 cos(θ) tan(θ) + tan(θ) = 1 + 2 cos(θ) 3. sin(θ) cos(3θ) + cos(θ) sin(3θ) = 0 4. sin(2θ) cos(θ) − cos(2θ) sin(θ) …

More Similar Questions