sin, cosine, and tangent4

Mathematics
Tutor: None Selected Time limit: 1 Day

  1. Find the sine of 225°.


Oct 21st, 2014

sin 225=sin(180+45)  as sin(180+A)=-sinA

=-sin45=-1/√2=-0.707

Oct 21st, 2014

Did you know? You can earn $20 for every friend you invite to Studypool!
Click here to
Refer a Friend
...
Oct 21st, 2014
...
Oct 21st, 2014
Mar 23rd, 2017
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer