Question

What is the value of (cos2 67 -Sin2 23)? and hi there

Answer 1

the answer is...............

Answer 2

Hey mate !!!


here is your answer!!




Cos ² 67° - sin² 23°



=> sin ² (90°- 67° ) - sin² 23°



=> sin² 23° - sin ² 23°


=> 0

hope it helps:D


thanks