Rudhreswaran g Asked a Question
February 2, 2021 1:56 pmpts 30 pts
  • 2 Answer(s)
  • like-1
  • 2 Likes
  • 3 Comments
  • Shares
  • Satpal singh Best Answer
    if you are safisfied with this answer accept this as best answer
    Likes(0) Reply(0)
  • Satpal singh
    half angle formula used here . visit this link. https://www.intmath.com/analytic-trigonometry/4-half-angle-formulas.php
    Likes(0) Reply(0)
  • Satpal singh thankyou
    see this
    • cropped3858278815027458631.jpg
    Likes(0) Reply(0)