Question

can you please solve this question c number please​

Answer 1

Answer:

Here is your answer.

Step-by-step explanation:

Here is your answer

Answer 2

Answer:

it very simple 8 cos³20-8 sin³10⁰= 1,6 cos 20⁰+6 sin 10⁰= 1,so 1+1=2 hence prove