SOLUTION: a point (x,y) moves along a circle represented by x^2+y^2=400, but never leaves the first quadrant. At any location, the point determines an angle theta. A horizontal line through

Question 759678: a point (x,y) moves along a circle represented by x^2+y^2=400, but never leaves the first quadrant. At any location, the point determines an angle theta. A horizontal line through the point, a vertical line through the point, and a diameter of the circle determine a triangle.which expression gives the area of the triangle in terms of sin(theta) and cos(theta)?
Answer by KMST(5398) (Show Source): You can put this solution on YOUR website!
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is the equation of a circle with radius , centered at the origin, O(0,0).

The area of right triangle PQR can be calculated as

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