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To see if the given angle is related to one of the basic reference angles whose values I've memorized, I'll subtract the given angle from the angle measure at the upper end of QIII, beingQuestion The area (in sq units) of the part of the circle x 2y 2=36, which is outside the parabola y 2=9x is A 24π3 3 B 12π−3 3 C 24π−3 3 D 12π3 3 Medium Solution Verified by Toppr CorrectX 2 y 2 = 1 x^2 y^2 = 1 x 2 y 2 = 1 If we stretch in both the x x x and y y y directions and distribute the powers of two through the parentheses, we get x 2 a 2 y 2 b 2 = 1 5 2 Unit Circle Sine And Cosine Functions Mathematics Libretexts The base is the unit circle x^2+y^2=1