Question

Please help me with these questions...please!!​

Answer 1

Answer:

These are so many Questions

I would like to give you just a hint ...

Just put the values of A and B , use trigonometric functions table and put its respective values . You will get the answers .

Answer 2

Hi ma

Here is ur answer...

a) sin 90° = sin 60° cos 30° + cos 60° sin 30°

= 1

b) sin 30° = sin 60° cos 30° - cos 60° sin 30°

= 1/2

c) cos 90° = 0

d) cos 30° = root 3/2

Hope this will help you....

⭐Mark as brainliest ⭐