Subject :Maths Class : Class 10
Passage-III : An equation involving trigonometric ratios of an angle θ is a trigonometric identity. If the L.H.S. of the equation = R.H.S. of the equation for all values of θ such that
sin θ sin (60° - θ) sin (60° + θ) = 
cos θ cos (60° - θ) cos (60° + θ) = 
The value of sin 20° sin 40° sin 60° sin 80° is equal to
A
B
C
D
Tell