Answer:
-0.72838463823
Step-by-step explanation:
1a) The sin of 90 is 0.8939966636
1b) The cos of 360 is -0.28369109148
1c) The tan of 180 is 1.33869021035
2) When you add sin90 and cos 360 you get 0.61030557212
3) When you subtract tan180 to what we currently have we will get -0.72838463823, and that is your answer.
