A curve has parametric equations x = tan^2(t) y = sint, 0 < t < π/2 (a) Find an expression for dy/dx in terms of t. You need not simplify your answer.
To find the expression for dy/dx, we can differentiate both x and y with respect to t using the chain rule.
Given:
x = tan^2(t)
y = sint
Differentiating x with respect to t:
dx/dt = d/dt (tan^2(t))
Using the chain rule:
dx/dt = 2tan(t) * sec^2(t)
Differentiating y with respect to t:
dy/dt = d/dt (sint)
dy/dt = cost
Now, to find dy/dx, we can divide dy/dt by dx/dt:
dy/dx = (dy/dt) / (dx/dt)
dy/dx = (cost) / (2tan(t) * sec^2(t))
Therefore, the expression for dy/dx in terms of t is:
dy/dx = (cost) / (2tan(t) * sec^2(t))
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