यदि cos2θ-sin2θ -3cosθ + 2 = 0,  0°< θ < 90° है, तो 4 cosecθ + cotθ का मान कितना है?

  • 1
  • 2

    4

  • 3
  • 4

    3

Answer:- 1

Post your Comments

Your comments will be displayed only after manual approval.

Test
Classes
E-Book