Question

(Activity) :
Find trigonometrie functions of angles 150°
210, 330,- 45° - 120°, - 31 and complete the
table.
​

Answer 1

150° = 180°- 30°

210° = 180° + 30°

330° = 360° - 30°

-120° = -180° + 60°

-3π/4 = -π + π/4 ( - 135° = -180° + 45° )

use the comparison with signs of the ratios in the four quadrants and related identities.

Answer 2

Answer:

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