Answer:
answer is either c or b. I am not sure though
Step-by-step explanation:
Answer:
60
Step-by-step explanation:
This is a simple question.
Good luck!
D , 3 ;Use the order of operations, parenthesis, exponents, multiplication, division, addition, subtraction (PEMDAS).
(7-2)^2
5^2
25 (numerator)
3^4
4+81-10
85-10
75 (denominator)
25/75
3
Cot (210) = √3
cot(-150°) = <span>√3
cot(30°) = </span><span>√3
-cot(30°) = -</span><span>√3 .....................this is not equal to cot (210°)
-cot(-30°) = </span>√3
