" 4."sin75^(@)

sin 75^(@)=

What is value of expression 4(sin15^(@)+sin75^(@))^(2) ?

Prove that 4 sin 15^(@) sin 75^(@) = sqrt2 ( cos105^(@) + sin 75^(@))

Which one of the following number (s) is/are rational? - 1) sin 15^(@) 2) cos 15^(@) 3) sin 15^(@) cos 15^(@) 4) sin15^(@) cos 75^(@)

Find the values of sin75^(@), cos75^(@), tan75^(@) and cot75^(@) .

Find the value of (sin75^(@)+sin15^(@))/(cos75^(@)+cos15^(@)) :

Simplyify (sin75^(@)-sin15^(@))/(cos75^(@)+cos15^(@))

Simplify (sin75^(@)-sin15^(@))/(cos75^(@)+cos15^(@))

Simplify (sin75^(@)-sin15^(@))/(cos75^(@)+cos15^(@))

Find the value of : sin75^(@)