I think it should end up to be cos + cos
That equation would become :
[cosx*cosx +sinx*sinx], [cos^2(x)+sin^2(x)]
When adding the squares of a sin and cos, the answer is one. The is a trig identity you MUST memorize.
So : cos^2(x)+sin^2(x)=1
Answer:
1/12
Step-by-step explanation:
56x + 8
80 degree angle