Math Problem Solver

If 𝑢 = sin−1

(√𝑥

2 + 𝑦

2) then prove that

𝑥

2𝑢𝑥𝑥 + 2𝑥𝑦𝑢𝑥𝑦 + 𝑦

2𝑢𝑦𝑦 = tan3

5a²-28a+7=0

19 percent as a fraction

subract-x+10x-5x from 5 x-10

subract-x+10x-5x from 5 x

10√3-10

what are all the prime numbers between 80 and 90

find dy/dx

y=sin(x+y)²

5-1+9

(t + 5²) (t² - 5)