What is the area of the region in the first quadrant that is bounded above by y=sqrt x and below by the x-axis and the line y=x-2? - Quora
![SOLVED: For Sin a = 2/3 and Cos b = -1/4 with both in [pi/2.pi) Find Cos ( a-b) [2 Sart(15) - Sqrt(5) ] / 12 [2 Sqrt (5) Sqrt (3) ]/ 12 SOLVED: For Sin a = 2/3 and Cos b = -1/4 with both in [pi/2.pi) Find Cos ( a-b) [2 Sart(15) - Sqrt(5) ] / 12 [2 Sqrt (5) Sqrt (3) ]/ 12](https://cdn.numerade.com/ask_images/4150e8e2965a46589e6825184fa18722.jpg)
SOLVED: For Sin a = 2/3 and Cos b = -1/4 with both in [pi/2.pi) Find Cos ( a-b) [2 Sart(15) - Sqrt(5) ] / 12 [2 Sqrt (5) Sqrt (3) ]/ 12
![geometry - there is any relation between $\pi$, $\sqrt{2}$ or a generic polygon? - Mathematics Stack Exchange geometry - there is any relation between $\pi$, $\sqrt{2}$ or a generic polygon? - Mathematics Stack Exchange](https://i.stack.imgur.com/yPEWc.jpg)