3. Given sin 0° = 0, sin 30° = 1/2, sin 45° = v(2) /2, cos 45° = v(2) /2, cos 0° = 1, %3D cos 30° = v(3) /2, veird Superf0ods You Must Try! - Hey, a lew days ago, you came to our websSite and took sin...

Please  solve Q 3

Extracted text: 3. Given sin 0° = 0, sin 30° = 1/2, sin 45° = v(2) /2, cos 45° = v(2) /2, cos 0° = 1, %3D cos 30° = v(3) /2, veird Superf0ods You Must Try! - Hey, a lew days ago, you came to our websSite and took sin 60° sin 90° = 1, V(3) /2, cos 60° = 1/2, cos 90° = 0, Express the following complex numbers in the form a + bi, a. 5(cos 0° + i sin 0°) b. 2(cos 30° + i sin 30°) c. V(2) (cos 45° + i sin 45°) d. V(3) (cos 60° + i sin 60°) e. 3(cos 90° + i sin 90°) 4. Let w,= 2 (cos 45° +i sin 45°), @,= (cos 30° + i sin 30°), calculate a. W, W2= b. 0, / @2° 3 с. О d. 02" %3D (1/5) (Hint: there are 5 roots for o,5)) (1/5)