Wiskunde Multiple Choice Vraag

sin² 150° + sin³ 210° is gelijk aan	A. \(\frac{1}{12}\)
	B. \(-\frac{1}{4}\)
	C. \(\frac{3}{8}\)
	D. \(\frac{1}{4}\)
	E. \(-\frac{5}{12}\)
	F. \(\frac{1}{8}\)

[ 4-4943 - op net sinds 23.6.2020-(E)-4.5.2025 ]

Translation in E N G L I S H

sin² 150° + sin³ 210° is equal to	A. \(\frac{1}{12}\)
	B. \(-\frac{1}{4}\)
	C. \(\frac{3}{8}\)
	D. \(\frac{1}{4}\)
	E. \(-\frac{5}{12}\)
	F. \(\frac{1}{8}\)

Oplossing - Solution

sin² 150° + sin³ 210° = (sin 30°)² + (− sin 30°)³ = 1/4

1/4

−

1/8

=

1/8

= 0,125

gricha