evaluate the following
(i) cos 195°
Answers
Answered by
42
Cos 180 +15
= -cos 15
= -cos (60-45)
Apply formula we get
= -root3/2
= -cos 15
= -cos (60-45)
Apply formula we get
= -root3/2
devender10:
Your solution was helpful thanks
Thqs..mark it as brainlest plzzz
okay
Tq bro
your welcome
can you answer some more questions
Answered by
1
Answer:
-√3/2 is the right answer
Similar questions