cos2 5° + cos2 10° ………..+ cos2 90° का मान क्या है–

  • 1

    8

  • 2

    4

  • 3

    9 𝟏/𝟐

  • 4

    8 𝟏/𝟐

Answer:- 4

Post your Comments

Your comments will be displayed only after manual approval.

Test
Classes
E-Book