Step-by-step explanation:
(i)
Using cos(a - b) = cos a cos b + sin a sin b
= cos a cos b + 
cos a cos b = 
(ii)
Using cos(a + b) = cos a cos b - sin a sin b
cos(a + b) = 
(iii)
Using cot a = 
× 
= 3
please give me a brainliest answer
Answer:
1 liter of milk
Step-by-step explanation:
10%= 1/10
since the number we are taking 1/10 of <u>is</u> 10, we find one out of ten, which is of course 1.
25 expressed as a mixed number is just 25
-Hunter
1 dollar 95 cents is how much they left
Answer:
Try D) rotation 180 degrees about the origin.
Step-by-step explanation:
When you look at it, it appears to move 180 degrees about that origin.
Hope this helps! Let me know!
