EM 4052 Trigo Revision

sin 0 = ?

• 0

• 1

• 0.5

• -0.5

cos 0 = ?

• 0

• 1

• 0.5

• -0.5

sin 30° = ?

• 0

• 1

• 0.5

• -0.5

sin (π/6) = ?

• 0

• 1

• 0.5

• -0.5

cos 60°

• 0

• 1

• 0.5

• -0.5

tan 0 = ?

• 0

• 1

• 0.5

• -0.5

period of y = sin x

• 180°

• 360°

• 0° ≤ x ≤ 180°

• 0° ≤ x ≤ 360°

• not applicable

period of y = cos x

• 180°

• 360°

• 0° ≤ x ≤ 180°

• 0° ≤ x ≤ 360°

• not applicable

period of y = tan x

• 180°

• 360°

• 0° ≤ x ≤ 180°

• 0° ≤ x ≤ 360°

• not applicable

sin 135° = ?

(you can select more than one option)

• sin 45°

• -sin 45°

• √2/2

• -√2/2

• 1/√2