if A and B are two complementry angles then prove that sin*2A+sin*2B =1
ansss:
is that sin square A?
haa
ss
Answers
Answered by
8
sin*2A+sin*2B=sin*2A+1-cos*2B=1+sin*2A -cos*2B=1+cos(A+B).cos(A-B)
=1+0.cos(A-B)=1
=1+0.cos(A-B)=1
Attachments:
i cant understand
can you now?
ssss
Similar questions