If sin α + cos α =1.2, find sin α · cos α .

Question

asked Aug 23, 2021 212k views

1 Answer

Michael Remijan · Answer 1 · 2021-08-27T12:12:08+0000

sina+cosa=1.2
Squaring on both sides we get,
(Sina)^2+2sina.cosa+(cosa)^2=1.44
(sina)^2+(cosa)^2+2sina.cosa=1.44
1+2sina.cosa=1.44
2sina.cosa=1.44-1
2sina.cosa=0.44
sina.cosa=0.22

If sin α + cos α =1.2, find sin α · cos α .

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

No related questions found

Categories

Other Questions