(a) Calculate angle y(in degrees) using Laws of cosines c? = a² + b? – 2ab cos y. 417 a=5, b = 7, c = 10 (b) Calculate the radius of the circle inscribed in the triangle using the formula; a b (i)...

Subject Computer Programming

The following problems can be solved by writing commands in the command window.

Extracted text: (a) Calculate angle y(in degrees) using Laws of cosines c? = a² + b? – 2ab cos y. 417 a=5, b = 7, c = 10 (b) Calculate the radius of the circle inscribed in the triangle using the formula; a b (i) r=-(a+ b – c)tan(÷Y). s(s-a)(s-b)(s-c) 1 (ii) r , where s = (a + b + c). S