# Rileigh

Most popular questions and responses by Rileigh-
## Calcalus

If ln(x^2-15y)=x-y+5 and y(-4) by implicit differentation = Thus the equation of the tangent line to the graph at point (-4,1) is y=

*asked on March 22, 2017* -
## Calculus

Find all solutions to the equation with 0≤α≤2π. Give an exact answer if possible, otherwise give value(s) of α accurate to at least four decimal places. 4tan(α)+5=2a=

*asked on April 4, 2017* -
## Caclulus

Suppose f is a one-to-one, differentiable function and its inverse function fâˆ’1 is also differentiable. One can show, using implicit differentiation (do it!), that (fâˆ’1)â€²(x)=1/fâ€²(fâˆ’1(x)) If f(4)=5 and fâ€²(4)=2/3, find

*asked on April 4, 2017* -
## Calculus

If tan(θ)=−7/2 and sin(θ)

*asked on April 4, 2017* -
## Calculus

If sin(θ)=8/10, 0≤θ≤π/2, then cos(theta)= tan(theta)= Sec(theta)= Please explain how to do this

*asked on April 4, 2017* -
## Calculus

Solve the equations below exactly. Give your answers in radians, and find all possible values for t in the interval 0≤t≤2π. If there is more than one answer, enter your solutions in a comma separated list. (a) sin(t)=2/√2 when t= (b) cos(t)=1/2 when

*asked on April 4, 2017* -
## Calculus

Using inverse trigonometric functions, find a solution to the equation cos(x)=0.2 in the interval 0â‰¤xâ‰¤4Ï€. Then, use a graph to find all other solutions to this equation in this interval. Enter your answers as a comma separated list. Thank

*asked on April 4, 2017*