`(cos2 0^0+8sin7 0^0sin5 0^0sin1 0^0)/sin^2 80^0` is equal to -

(cos20^(0)+8sin70^(0)sin50^(@)sin10^(0))/(sin^(2)80^(@)) is equal to

The exact value of (96sin80^0sin65^0sin35^0)/(sin20^0+sin 50^0+sin 110^0) is equal to

Prove that: sin20^0sin40^0sin60^0sin80^0=3/(16)

Prove that: sin20^0sin40^0sin60^0sin80^0=3/(16)

(sin8^(0)*sin52^(0)*sin68^(@))/(sin24^(0)) is equal to 12-1(1)/(4)

If sin47^0+sin 61^0-sin 11^0-sin 25^0 is equal to a. adot\ sin36^0 b. cos36^0 c. cos7^0 d. cos7^0

The value of sin 50^(0)-sin 70^0+sin 10^0 is equal to a. 0 b. 1 c. 2 d. 1//2

The value of cos24^0/(2tan33^0sin^2(57^0))+sin162^0/(sin18^0-cos18^0tan9^0)+cos162^0 is equal to

Find the least positive value of x in degrees for which tanx=(cos5^0cos20^0+cos35^0cos50^0-sin5^0sin20^0-sin35^0sin50^0)/(sin5^0cos20^0-sin35^0cos50^0+cos5^0sin20^0-cos35^0sin50^0)

Find the least positive x in degree for which tanx=(cos5^0cos20^0+cos35^0cos50^0-sin5^0sin20^0-sin35^0sin50^0)/(sin5^0cos20^0-sin35^0cos50^0+cos5^0sin20^0-cos35^0sin50^0)