2A/3A

solve ?

  • 1/тИЪ3
  • тИЮ
  • тИЪ3

solve ?

  • sin2╬Ш
  • cosec2╬Ш
  • sec2╬Ш
  • sec2╬Ш.cosec2╬Ш

solve ?

  • 24/25
  • 21/25
  • 16/25
  • 18/25

solve ?

  • 9/16
  • 1
  • 7/15
  • 16/25

solve ?

  • 2cos╬Ш
  • cosec2╬Ш
  • 2cosec2╬Ш
  • 2cos2╬Ш

solve ?

  • sin2A
  • Cos2A
  • CosA
  • sinA

solve ?

  • ┬╜
  • ┬╝
  • ┬╛
  • 1/тИЪ2

Find cos215┬░ ?

  • (2 + тИЪ3)/4
  • (2 – тИЪ3)/4
  • (2 – тИЪ3)/2
  • (1 + тИЪ3)/4

solve sin75┬░ ?

  • (тИЪ6 + тИЪ2)/4
  • (тИЪ6 – тИЪ2)/4
  • (тИЪ3 + 1)/2
  • (тИЪ3 – 1)/2тИЪ2

solve┬а tan15┬░ + cot15┬░ ?

  • 4
  • 6
  • 8
  • 2

if cot ╬Ш= 3/4, find sin3╬Ш?

  • 44/125
  • 117/125
  • 81/125
  • -117/125

solve ?

maths-trigonometry Type 6 2A/3A