Click to Chat
1800-1023-196
+91-120-4616500
CART 0
Use Coupon: CART20 and get 20% off on all online Study Material
Welcome User
OR
LOGIN
Complete Your Registration (Step 2 of 2 )
Cos^2 π/12 +cos^2 π/4 +cos^2 5π/12 is:. ??????????????????????!???????
cos^2 15+cos ^2 45+cos ^2 75 =((root 6 +root2)/4)^2 +(1/root2)^2+((root6-root2)/4)^2 =(6+2+2root12)/16 +1/2 +(6+2-2root12)/16=1+(1/2)=3/2
Post Question
Dear , Preparing for entrance exams? Register yourself for the free demo class from askiitians.
points won -