Mathematics
Taco:

Let (4, -3) be a point on the terminal side of theta, an angle in standard position. find the values of sine, cosine, cosecant, secant, and cotangent.

1 year ago
Taco:

We draw a triangle right?

1 year ago
Hero:

We can. Wanna draw it?

1 year ago
Taco:

|dw:1526888042704:dw| $(-3)^2 + 4^2 = 9 + 16 = 25$ $hyp = 5$

1 year ago
Hero:

|dw:1526888206069:dw|

1 year ago
Taco:

oh right, unit circle

1 year ago
Hero:

|dw:1526888392203:dw|

1 year ago
Hero:

I wrote 3, 4, and 5 to represent lengths only.

1 year ago
Taco:

So it would be: $\sin \theta = \frac{ -3 }{ 5}$ $\cos \theta = \frac{ 4 }{ 5}$ $\tan \theta = \frac{ -3 }{ 4 }$ $\csc \theta = \frac{ 5 }{ -3 }$ $sec\theta = \frac{ 5 }{ 4}$ $\cot \theta = \frac{ 4 }{ -3}$

1 year ago
Hero:

Looks good.

1 year ago
Taco:

or would you take out the negative

1 year ago
Taco:

oh wait you just meant lengths

1 year ago
Taco:

okay cool

1 year ago