They intersect to form four right angles. They have a slope of -1. They intersect at a right angle
Answer:
Step-by-step explanation:
label sides adjacent h and o
sin(30) times 12 = 6 = 10
Answer: for the cylinder it should be 603, but this answer is suspicious
Step-by-step explanation:
Answer:
20/21.
Step-by-step explanation:
tan X = opposite side / adjacent side
= 20/21.
You can use this memory aid for the 3 main trigonometric ratios:
SOH-CAH-TOA:
SineOppositeHypotenuseCosineAdajacentHypotenuseTangentOppositeAdjacent.
Step-by-step explanation:
sec² x − 2 = 0
sec² x = 2
cos² x = ½
cos x = ±√½
x = π/4, 3π/4, 5π/4, 7π/4