lena
posted by trig on .
sinxcosx = 0
x=?
please and thank you! i'd appreciate it!

divide both sides by cosx
tanx+1=0
x= arctan 1
x=45 deg
posted by trig on .
sinxcosx = 0
x=?
please and thank you! i'd appreciate it!
divide both sides by cosx
tanx+1=0
x= arctan 1
x=45 deg