- #1

- 9

- 0

## Homework Statement

(theta)= 45Degrees

## Homework Equations

(theta)= Arctan(y/x) (x>0)

(theta)= Arctan(y/x) (x<0)

## The Attempt at a Solution

Tan(45)=y/x

1 = y/x

Does that mean Y = X?

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- Thread starter catteyes
- Start date

- #1

- 9

- 0

(theta)= 45Degrees

(theta)= Arctan(y/x) (x>0)

(theta)= Arctan(y/x) (x<0)

Tan(45)=y/x

1 = y/x

Does that mean Y = X?

- #2

HallsofIvy

Science Advisor

Homework Helper

- 41,833

- 964

Yes, it does! If you are not convinced, draw an xy- coordinate system, mark the line at 45 degrees to the positive x-axis and draw the line y= x!## Homework Statement

(theta)= 45Degrees

## Homework Equations

(theta)= Arctan(y/x) (x>0)

(theta)= Arctan(y/x) (x<0)

## The Attempt at a Solution

Tan(45)=y/x

1 = y/x

Does that mean Y = X?

- #3

arildno

Science Advisor

Homework Helper

Gold Member

Dearly Missed

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- 134

What angle to the positive x-axis does the line y=x make?

- #4

- 9

- 0

oh 45 degrees.

thanks

thanks

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