🎧 New: AI-Generated Podcasts Turn your study notes into engaging audio conversations. Learn more

Loading...
Loading...
Loading...
Loading...
Loading...
Loading...
Loading...

Transcript

## Trigonometric Problem & Solutions 16. cos 2π/15 * cos 4π/15 * cos 8π/15 * cos 16π/15 = (a) 1/2 (b) 1/4 (c) 1/8 (d) 1/16 17. cos² 2π/12 +cos² π/4 + cos² 5π/ 12= (a) 3/2 (b) 2/3 (c) 3 + √3 / 2 (d) 2 / 3+ √3 18. sin π/16 * sin 3π/16 *sin 5π/16 * sin 7π/1...

## Trigonometric Problem & Solutions 16. cos 2π/15 * cos 4π/15 * cos 8π/15 * cos 16π/15 = (a) 1/2 (b) 1/4 (c) 1/8 (d) 1/16 17. cos² 2π/12 +cos² π/4 + cos² 5π/ 12= (a) 3/2 (b) 2/3 (c) 3 + √3 / 2 (d) 2 / 3+ √3 18. sin π/16 * sin 3π/16 *sin 5π/16 * sin 7π/16 = (a) 1/16 (b) √2 / 16 (c) 1/8 (d) √2 / 8 19. cos² 76°+ cos² 16°- cos 76° cos16° = (a) 1/4 (b) 1/2 (c) 0 (d) 3/4 20. cos π/7 * cos 2π/7 * cos 4π/7 = (a) 0 (b) 1/2 (c) 1/4 (d) -1/8

Tags

trigonometry mathematics problem solving
Use Quizgecko on...
Browser
Browser