Sin(3t+5) = cos(7t-10)

t=\frac{4\pi n+10+\pi }{20},\:t=-\frac{\pi +4\pi n-30}{8}

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong

it is true

step-by-step explanation:

all the combinations add up i used   calculator