" 20."sin^(2)26^(@)+sin^(2)64^(@)=

Evaluate sin^(2)26^(@)+sin^(2)64^(@) .

Evaluate sin^(2)26^(@)+sin^(2)64^(@) .

It is given that sin54^(@)=(sqrt(5)+1)/(4), the value of (64sin^(4)27^(@)-64sin^(2)27^(@)+6)^(2)-15(sin^(2)27^(@)+sin^(2)63^(@)) is equal to

Find the value of sin^(2)20^(@)+sin^(2)70^(@)

sin^(2) 20^(@) + sin^(2) 100^@ + sin^(2) 140^(@) =

What is sin^(2)20^(@)+sin^(2)70^(@) equal to ?

What is the value of sin^(2) 15^(@) + sin^(2) 20^(@) + sin^(2)25^(@) + ……… + sin^(2) 75^(@) ?

Find the value of (cos^(2)20^(@)+cos^(2)70^(@))/(sin^(2)59^(@)+sin^(2)31^(@)) .

Find the value of : 3 sin^(2) 20^(@) - 2 tan^(2) 45^(@) + 3 sin^(2) 70^(@) .

Q.exact value of cos20^(@)+2sin^(2)(55)^(@)-sqrt(2)sin65^(@)