Math Genially
meghan.mcilroy.155
Created on March 9, 2023
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Transcript
EMPEZAR
Sum & Difference Formulas vs. Double Angle Formulas
START
QUIZ LOREM IPSUM DOLOR SIT
QUESTION 1/5
What is the exact value of cos 7pi/12?Hint: use formula cos (u+v) = cos u cos v - sin u sin v
root 6 - root 42
root 2 - root 64
root 6 - root 2 4
next
Right!
QUIZ LOREM IPSUM DOLOR SIT
QUESTION 2/5
root 22
- root 22
1/2
QUIZ LOREM IPSUM DOLOR SIT
Find the exact value of cos 5pi/6 cos 11pi/12 - sin 5pi/6 sin 11pi/12
next
Right!
QUIZ LOREM IPSUM DOLOR SIT
QUESTION 3/5
Find the exact value of sin 70 degrees cos 10 - cos 70 sin 10
root 3 2
root 22
1/2
QUIZ LOREM IPSUM DOLOR SIT
NEXT
RIGHT!
QUIZ LOREM IPSUM DOLOR SIT