Question #cf8dc

1 Answer

Apr 4, 2017

#(sin x + cos x)^2 = sin^2 x + cos^2 x + 2sin x.cos x #
Since,
#sin^2 x + cos^2 x = 1#
#2sin x.cos x = sin 2x#,
Therefore,
#(sin x + cos x)^2 = 1 + sin 2x#

Answer link

Impact of this question

891 views around the world

You can reuse this answer
Creative Commons License

Science

Math

Humanities

... and beyond

Question #cf8dc

1 Answer

Related questions

Impact of this question