Answer:
8 square units
Step-by-step explanation:
Area of the shaded shape = sum of shaded squares × 1 square unit
= 8 × 1 = 8 square units
Hello!
To find our answer, we just use a scientific calculator (you cannot calculate it by hand).
tan42≈0.9
Therefore, our answer is about 0.9.
I hope this helps!
Answer:
a)
b)
c)
d)
e)
f)
Step-by-step explanation:
a) 
b)
c)
d)
e)
f)
(1/x) - (2x/(1+x^2)) = 0
Multiply by x(x^2+1)
1(x^2+1)+(−2x)(x)=0x(x2+1)
−x^2+1=0(Simplify both sides of the equation)
−x^2+1−1=0−1(Subtract 1 from both sides)
−x^2=−1
−x^2−1=−1−1(Divide both sides by -1)
x^2=1
x=ñ1(Take square root)
x=1 or x=−1
