65th question please answer me fast
Attachments:
Answers
Answered by
0
sin theta + 2 cos theta = 1
sin theta = 1 - 2 cos theta
we know that
sin^2 theta + cos^2 theta = 1
(1-2cos theta )^2 + cos^2 theta =1
on solving this eqn , we get
cos theta = 4/5
then
sin theta = - 3/5
then take LHS
2sin theta - cos theta
2*-3/5 -4/5
-6/5-4/5
-10/5
2
rhytham88:
5 th line mein 2 cos theta kese ayega
end per -2 ayega 2 kese aya
copy par kar ke photo send kar do
haa -2 hi aayega
ques me mistake hai vo -2 hi prove krna hai
ohk
Similar questions