If costheta = 35 and theta is acute, find sintheta.

  1. 53
  2. 45
  3. 35
  4. 43
Answer

B) 45

Draw a right triangle with opposite = 4, adjacent = 3, hypotenuse = 5 (Pythagoras: 4^2 + 3^2 = 5^2). Then sintheta = 45. SLO M-09-B-24 · Application

Mathematics MCQ · More Trigonometric Identities MCQs · Practise