# How do you find the reference angle of #theta=3.5# and sketch the angle in standard position?

##### 2 Answers

See my view of this standard.

#### Explanation:

Any direction can be represented by

unit vector

Note that length of the vector

Here,

As

this becomes

See graph of

nearly, using befitting domain and range, and scaling, for better

visual effect.

graph{ 0.9991y-0.0601 x= 0[0 0.9991 -0.050 0.5]}

.

Explanatory notes to answer already posted.

#### Explanation:

By convention any angle from

Reference angle is taken as angle formed by the

We are so much used to seeing east as positive