3. You are given that u is an angle in the third quadrant and tanu = 3. You are also given that w is an angle in the fourth quadrant and cos w = 25 (a) Draw a right-angled triangle for u and a right-angled triangle for w on the axes below. Right-angled triangle for u Right-angled triangle for w (b) Calculate the unknown length of the side in each of the right-angled triangle you have drawn in part (a). (c) Determine sin u, cos u, tan w and sin w. (d) Calculate the exact value of tan(u - w). Write down your calculations. (e) Calculate the exact value of sin 2w. Write down your calculations