Home
Class 12
MATHS
माना k = 1^(@) हो, तो सिद्ध कीजिए कि sum...

माना `k = 1^(@)` हो, तो सिद्ध कीजिए कि `sum_(n=0)^(88) (1)/(cos nk.cos(n+1)k) = (cos k)/(sin^(2)k)`

Promotional Banner

टॉपर्स ने हल किए ये सवाल

  • COMPOUND ANGLE (TRIGONOMETRY PHASE - I)

    BANSAL HINDI|Exercise EXERCISE - 4 (POTENTIAL PROBLEMS BASED ON CBSE)|15 Videos
  • COMPLEX NUMBER

    BANSAL HINDI|Exercise EXERCISE-5 (RANK BOOSTER)|13 Videos
  • CONIC SECTION (PARABOLA,ELLIPSE & HYPERBOLA)

    BANSAL HINDI|Exercise EXERCISE - 5|18 Videos