Home
Class 11
MATHS
" 29.Prove that "cos^(2)45-sin^(2)15=(sq...

" 29.Prove that "cos^(2)45-sin^(2)15=(sqrt(3))/(4)" ."

Promotional Banner

Similar Questions

Explore conceptually related problems

Prove that: cos^(2)45^(@)-sin^(2)15^(0)=(sqrt(3))/(4)

Prove that: cos^2 45^0-sin^2 15^0=(sqrt(3))/4

Prove that cos^2 45^@-sin^2 15^@=sqrt3/4

Prove that: cos15^@-sin15^@=1/sqrt2

Prove that: sin15^(@)=(sqrt(3)-1)/(2sqrt(2))

Prove that: sin15^(@)=(sqrt(3)-1)/(2sqrt(2))

Prove that cos 15 ^(@) - sin 15^(@) = (1)/(sqrt2)

Prove that 4(cos66^(@)+sin84^(@)) = sqrt(3) + sqrt(15) .

Prove : cos15^(@) - sin15^(@) = 1//sqrt2 .

The value of cos^(2)45^(@)-sin^(2)15^(@) is