Question

(1) cosx = cos 60° cos 30° + sin 60° sin 30°
(ii) sin 2 x = sin 60° cos 30° - cos 60° sin 30°
(iii) V3 tan 2 x = sin 30° + sin 45° cos 45º
2.
2 tan 304
1- tan 230°
Find the value of x in the following:
+ 2 sin 90
e that:
cos 30° + sin 60°
13
I ono​

Answer 1

Step-by-step explanation:

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