Answer:
2x+12=180°
Step-by-step explanation:
because linear is equal to 180°
Answer:
x = 3π/4, 5π/4
Step-by-step explanation:
cos(x+2π) = -√2/2, [0,2π]
cos(x)cos(2π)-sin(x)sin(2π) = -√2/2
cos(x) = -√2/2
x = 3π/4, 5π/4
Remember that the cosine function is periodic, so cos(θ+2π)=cos(θ).
Answer:
A little hard to read but if i read correcly the answer shoulkd be 14$
Step-by-step explanation:
