Ex 8.3, 7 - Express sin 67 + cos 75 in terms of 0 and 45 - Ex 8.3

  1. Class 10
  2. Important Questions for Exam - Class 10
Ask Download

Transcript

Ex 8.3, 7 Express sin 67 + cos 75 in terms of trigonometric ratios of angles between 0 and 45 . sin 67 + cos 75 = sin (90 23) + cos (90 15) = cos 23 + sin 15 Hence required value is cos 23 + sin 15

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.