We have to evaluate cos 3π
Solution
cos 3π = cos 3 (180)= cos 5400
cos 540° = cos (540) = cos (180 + 360) = -1
Answer
cos 3π = -1
We have to evaluate cos 3π
cos 3π = cos 3 (180)= cos 5400
cos 540° = cos (540) = cos (180 + 360) = -1
Answer
cos 3π = -1
BOOK
Free Class
BOOK
Free Class