Question

Evaluate each of the following:
1. sin 60° cos 30° + cos 60° sin 30°
2. cos 60° cos 30º – sin 60° sin 30°
3. cos 45º cos 30° +sin 45° sin 30°
4. sin 60° sin 45º - cos 60° cos 45º
sin 30° cot 45°
cos 45° sec 60°
sin 60°
tan 450
cos 30°
sin 90°​

Answer 1

Answer:

1= 1

2=0jai hind

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Answer 2

Answer:

1. root 3/2 *root3/2 + 1/2*1/2= 1+1=2

2. 1/2*root3/2- root3/2*1/2=