Answer with explanation:
The equation of line in Slope intercept form is:
⇒ y= m x +C
y= x tan (Angle made by line with positive Direction of X axis) +C(Y-Intercept)
It is given that, graph of the line appears to slant downward from left to right.
⇒It means ,the angle that the line is making with X axis should be:
90°<Angle<180°
as i have drawn the line about the given information.
⇒Tan (90°< Angle <180°)= Negative
So, we can say that slope of line will be Negative.
Answer:
Step-by-step explanation:
A right angled ∆ is given to us and we need to find out the value of cos 45° ( with rationalized denominator ) . As we know that in a right angle ∆ , the value of cosine is ,
In the given triangle ,
On substituting the respective values ,
For rationalizing the denominator , multiply numerator and denominator by √2 , we have,
Simplify ,