`tan4 0^(@)+tan8 0^(@)-sqrt(3)tan4 0^(@)tan8 0^(@)=`

Assertion (A) tan20^(@)+tan40^(@)+sqrt(3)tan20^(@)tan40^(@)=sqrt(3)Rason(R):If tan(A+B)=k, then tan A+tan B+k tan A tan B=0

tan^(2)x-sqrt(3)tan x=0

If cot 20^@=p then (tan16 0^(@)-tan11 0^(@))/(1+tan16 0^(@)tan11 0^(@))=

tan9^(0)-tan27^(0)-tan63^(@)+tan81^(@)

S o l v e(sin1 0^(@))^(tanx+tan3x)=tan1 5^(@)+tan3 0^(@)+tan1 5^(@)tan3 0^(@), x in (0,pi]

tan^(3)x-3tan x=0

If tan1^(@)tan2^(@)tan3^(@)tan4^(@). . .tan89^(@)=x^(2)-8 , then find the value of x.

Evaluate : (2sin68^(0))/(cos22^(0))-(2cot15^(0))/(5tan75^(0))-(3tan45^(0)tan20^(@)tan40^(@)tan50^(@)tan70^(@))/(5)

Evaluate :tan7^(0)tan23^(@)tan60^(@)tan67^(0)tan83^(@)

Evaluate: (sec theta csc(90^(0)-theta)-tan theta cot(90^(0)-theta)+sin^(2)55^(0)+sin^(2)35^(@))/(tan10^(0)tan20^(0)tan60^(@)tan70^(0)tan80^(0))