Answer:
y = 14
Step-by-step explanation:

When x = 2:


That's it. :)
Answer:
what's the question .......
Answer:
the second one
Step-by-step explanation:
Answer:
Step-by-step explanation:
Don't use 0 as a substitute for θ. 0 is always 0.
cosθ = -5/(2√15)
secθ = 1/cosθ = -2√15/5