#
Find the value cos²20+cos²65 whole divided by sin²40+sin²50 and

find the value sin20×cos70+cos20×sin70

2
by sweetyvasu

cos²20+cos²660

it sould be cos²20+cos²60

sry wt u said is correct

or if it cos^2(25)+cos^2(65) then rishim is correct

the angles are 20 and 65 ?

Log in to add a comment