Power of Trigonometric Functions

Posted In: Mathematics
  1. $sin^2θ={1-cos\ 2θ}/2 $
  2. $sin^3θ={3sinθ-sin3θ}/4$
  3. $sin^4θ={cos4θ-4cos2θ+3}/8$
  4. $sin^5θ={10sinθ-5sin3θ+sin5θ}/16 $
  5. $sin^6θ={10-15cos2θ+6cos4θ-cos6θ}/32$
  6. $cos^2θ={1+cos\ 2θ}/2 $
  7. $cos^3θ={3cosθ+cos3θ}/4$
  8. $cos^4θ={cos4θ+4cos2θ+3}/8$
  9. $cos^5θ={10cosθ+5sin3θ+cos5θ}/16 $
  10. $cos^6θ={10+15cos2θ+6cos4θ+cos6θ}/32$

Post Tags: Trigonometry


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