Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

Answer to this double-angle formulae equation in trigonometry?

#(Cos (pi/12) + Sin( pi/12))^2 #

1 Answer

Feb 16, 2017

#(Cos (pi/12) + Sin( pi/12))^2 #

#=Cos^2 (pi/12) + Sin^2 (pi/12)+2sin(pi/12)cos(pi/12) #

#=1+sin(2xxpi/12) #

#=1+sin(pi/6) #

#=1+1/2=3/2#

Related questions

See all questions in Double Angle Identities

Impact of this question

1434 views around the world

You can reuse this answer
Creative Commons License