Trigonometric function power reduction formula calculator

u（degree）：
Results:

  • sin2θ = 1 − cos2θ
  • cos2θ = 1 − sin2θ
  • tan2θ + 1 = sec2θ
  • tan2θ = sec2θ − 1
  • 1 + cot2θ = csc2θ
  • cot2θ = csc2θ − 1