tan x + cot x = sec x csc x 5.

March 06, 2017
5.
Obj: To prove trigonometric identites.
tan x
+ cot x
=
sec x csc x
March 06, 2017
6.
Obj: To prove trigonometric identites.
tan2x
-
sin2x
=
tan2x sin2x
March 06, 2017
Obj: To prove trigonometric identites.
7.
2
2
2
cos x - sin x = 1 - 2 sin x
March 06, 2017
Obj: To prove trigonometric identites.
8.
tan x + cot y
tan x cot y
= tan y + cot x
March 06, 2017
Obj: To prove trigonometric identites.
9.
2
1 - 3cos x - 4 cos x
2
sin x
=
1 - 4cos x
1 - cos x
March 06, 2017
HW:
(5.2) Pg.418: 11, 15-17, 19, 20, 23-25
Obj: To prove trigonometric identites.
March 06, 2017