Answer:
90⁰
Step-by-step explanation:
y=cosx
y'= -sinx
eqñ of tangent is y=-x
slope of tangent =-1
we know...
slope of tangent = y' or derivative of y
-sin x = -1
sin x= 1
x = 90⁰
Answer:
Infinite solutions
Step-by-step explanation:
Answer:
x=4
Step-by-step explanation:
3x + 6 = 18
3x = 18 - 6 = 12
x = 4
Answer:
wat
Step-by-step explanation:
-.75. 3÷4 = 75. put a negative sign beside it and it’ll be negative boom.
