Write the equation of the cosine function that, compared to f(x)=cos x, is shifted up 2, left π/4, and vertically stretched by a factor of 3.

.25

step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

answer: '

the distance between points l and m

step-by-step explanation: