Answer:
f'(x)= 
Step-by-step explanation:
As khown the derivative of arcsin(x) is;
f'(x)= 
Answer:
The fractions are equivalent.
Step-by-step explanation:
2/4 can be simplifyed as 1/2 meaning they are equivalent.
I cant help you but i have a great app that can its called photo math. its very good. if you dont agree its fine

where A is area
a is side a lets say its 8cm
b is side b lets say its 7 cm
theta is 28