What is the value of cos square 67degree-sin square 73 degree
Answers
Answered by
0
Heya it should be cos² 67° - sin² 23°, Then
= cos² 67° - sin² 23°
= cos² 67° - sin²(90-67)°
= cos² 67° - cos² 67°
= 0
________________________________________________________
☺ ☺ ☺ Hope this Helps ☺ ☺ ☺
= cos² 67° - sin² 23°
= cos² 67° - sin²(90-67)°
= cos² 67° - cos² 67°
= 0
________________________________________________________
☺ ☺ ☺ Hope this Helps ☺ ☺ ☺
Similar questions