Answer:
1
Step-by-step explanation:
(12-4) - (6/2) - (2 x 2)
(8) - (3) - (4)
1
First you solve the expressions in the perenthesis, then solve the final part
Hope this helps!
:)
Answer: Option 4
Step-by-step explanation:
(linear pair)
(angle sum in a triangle)
(linear pair)
I think it’s 20 degrees or 70
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
This might be your answer
(-5/2, 5/2)