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:
the volumes of the cylindars are equal beacuse the right cylinder is simply squished down and made fat so the width and hight are flipped
hope this helped
-the chair with internet
4-2 = 2-1
You can do the evaluating part.
Yes this is true. For every problem-solving activity it's crucial that no less than five alternatives be considered.
