WISKUNDE
GRAAD 12
NOG OEFENINGE
Berekeninge sonder sakrekenaars.
MATHEMATICS
GRADE 12
MORE EXERCISES
Calculations without using pocket calculators.
Bereken, sonder die gebruik van
Calculate, without using pocket
sakrekenaars, die waarde van die volgende :
calculators, the value of the following :
sin 220° ⋅ tan 220°
sin 210° ⋅ sin 300° ⋅ tan 30°
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cos 540° ⋅ tan 140° ⋅ sin 320°
cos 120° ⋅ tan 300° ⋅ sin 330°
sin 150° ⋅ cos 210°
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tan 225°
tan 330°
cos (−45°) ⋅ sin 45° − sin 210°
cos 55° ⋅ cos 35°
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tan 315°
sin 110° ⋅ sin 270°
sin 210° ⋅ cos 300° ⋅ tan 240°
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cos 120° ⋅ tan 150° ⋅ sin 330°
sin (65° − x) ⋅
cos (35° − x) − cos (65° − x) ⋅ sin (35° − x)
cos 43° ⋅ cos 17° − sin 43° ⋅ sin 17°
cos 15°
tan (− 225°)
(sin 75° + cos 75°)2