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
Answer:



Step-by-step explanation:
Multiply factors.
Answer:
organaelles can i have brainlyest?
ik i didnt spell right
Step-by-step explanation:
Take out the GCF of 75 and 12 which is 3:-
= 3(25t^2 + 4)
That's it