Home
Class 12
MATHS
"If "cos A=sqrt((sqrt(2)+1)/(2sqrt(2)))"...

"If "cos A=sqrt((sqrt(2)+1)/(2sqrt(2)))" then find the value of "cos2A

Promotional Banner

Similar Questions

Explore conceptually related problems

If cos A = sqrt((sqrt(2)+1)/(2sqrt(2))) , find the value of cos2A

Find the value of cos^-1(-sqrt3/2)

If costheta=(1)/(sqrt(2)) ,then find the value of cos2theta .

If costheta=(1)/(sqrt(2)) ,then find the value of cos2theta .

Using the formula cos A =sqrt((1+cos2A)/(2)) , find the value of cos30^(@) , it is given that cos60^(@)=(1)/(2) .

Using the formula cos A =sqrt((1+cos2A)/(2)) , find the value of cos30^(@) , it is given that cos60^(@)=(1)/(2) .

If cos 2 theta =(sqrt(2)+1)( cos theta -(1)/(sqrt(2))) , then the value of theta is

If cos 2 theta =(sqrt(2)+1)( cos theta -(1)/(sqrt(2))) , then the value of theta is

If cos 2 theta =(sqrt(2)+1)( cos theta -(1)/(sqrt(2))) , then the value of theta is