9514 1404 393
Answer:
30°, 150°
Step-by-step explanation:
You know the answer to this because you have memorized the short table of trig function values.
sin(θ) = 1/2 for θ = 30° and θ = 150°
Answer:
2
Step-by-step explanation:
In 30-60-90
The hypotenuse is always the short leg multiplied by 2
So going backward, 4/2 = 2
The percentage of 15% of 9 is 60% (I think)