Question

How can we break cos 80° using standard angles of trigonometry

Answer 1

Step-by-step explanation:

Using Trig Ratios to Solve Triangles: Angles

Choose which trig ratio to use. - Choose sin, cos, or tan.

Substitute. - Write the trig ratio and substitute in the values.

Solve. - Solve for the angle using the inverse ratios. ...

Step 1: Choose which trig ratio to use. ...

Step 2: Substitute. ...

Step 3: Solve. ...

Step 1: Choose which trig ratio to use. ...

Step 2: Substitute.

Answer 2

Answer:

You can search on YouTube

Step-by-step explanation:

You can find the answer with explanation...