Ask questions and get helpful answers.

If sin A=-7/25 and angle A terminates in Quadrant IV, cos A equals..

A. -24/25
B. -7/24
C. 24/25
D. 7/24

PLEASE HELP

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
1 answer
  1. X^2 + Y^2 = 25^2, X^2 + (-7)^2 = 625, X^2 = 625-49 = 576, X = 24.

    Cos A = x/r = 24/25.

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

Answer this Question

Related Questions

Still need help?

You can ask a new question or browse existing questions.