Card 1 of 25
Which calculator mode is required when angles are measured in radians?
A
Use radian mode.
B
x≈116.6∘x\approx116.6^\circx≈116.6∘ or x≈296.6∘x\approx296.6^\circx≈296.6∘.
C
The exact value of cos30∘\cos 30^\circcos30∘ is 32\boxed{\frac{\sqrt3}{2}}23.
D
360∘360^\circ360∘ is excluded.
Card 1 of 25
1.5.5 Trigonometry Flashcards
25 flashcards on WJEC A Level Maths 1.5.5 Trigonometry: the key formulae, methods and definitions you need to recall for AS Unit 1, AS Unit 2, A2 Unit 3 and A2 Unit 4.