If `A+B=C ,` then write the value of `t a n A\ t a n B\ t a n Cdot`

If cos(A+B)sin(C-D)="cos"(A-B)"sin"(C+D) , then write the value of t a n A t a n B t a n Cdot

If cos(A+B)sin(C-D)="cos"(A-B)"sin"(C+D) , then write the value of t a n A t a n B t a n Cdot

If ("cos"(x-y))/("cos"(x+y))=m/n , then write the value of t a n x\ t a n ydot

If t a n A+cot A=4, then write the value of t a n^4A+cot^4Adot

If A+B+C=180^0 , then (t a n A+t a n B+t a n C)/(t a n A\ t a n B\ t a n C) is equal to a. t a n A t a n B t a n C b. 0 c. 1 d. none of these

If A+B+C=180^0 , then (t a n A+t a n B+t a n C)/(t a n A t a n B t a n C) is equal to t a n A t a n B t a n C b. 0 c. 1 d. none of these

In Delta A B C , prove that t a n A+t a n B+t a n Cgeq3sqrt(3),w h e r eA ,B ,C are acute angles.

In a triangle A B C , right angled at C ,t a n A+t a n B is equal to a. a+b b. (c^2)/(a b) c. (a^2)/(b c) d. (b^2)/(a c)

Write the principal value of t a n^(-1)[t a n(3pi)/4]dot