Check sibling questions

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

This video is only available for Teachoo black users

Solve all your doubts with Teachoo Black (new monthly pack available now!)


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

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.