Help on precalc problem!!?
Suppose the angle θ is formed by two sides of length 8 in an isosceles triangle. Find an expression for the area A(θ) of the triangle. then find the value(s) of θ so that the triangle's area is 25.
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The area of the isosceles triangle =
(1/2)* base*height = 25 units squared
height = 8*cos(1/2*theta)
base = 8*sin(1/2*theta)