abc is an isosceles right triangle, right-angled at b. what is the value of 2 sin a × cos a?

m(A)=45 , m(B)=45

2.sin45.cos45=2.\frac{\sqrt{2}}{2}.\frac{\sqrt{2}}{2}=1

abc is an isosceles right triangle, right-angled at b. what is the value of 2 sin a × cos a?

m(A)=45 , m(B)=45

2.sin45.cos45=2.\frac{\sqrt{2}}{2}.\frac{\sqrt{2}}{2}=1