By definition of the trig functions,


We have
, so
, and
, so
.
Just to check: we should have

by the Pythagorean theorem. Indeed,

The answer to your question is 45 ✌️
Answer: 2.10
Step-by-step explanation: 2.10 * 4 + 6
The answers are in order:
1/10
1/6
2/3
3/5