If `A-B=pi//4` , then `(1+t a n A)(1-t a n B)` is equal to `2` b. `1` c. `0` d. `3`

If A-B=pi/4, then (1+tan A)(1-tan B) is equal to 2 b.1 c.0 d.3

If A-B=pi//4 , then (1+t a n A)(1-t a n B) is equal to.............. a. 2 b. 1 c. 0 d. 3

If A+B=pi/4 , prove that: (1+t a n A)(1+t a n B)=2 (cotA-1)(cotB-1)=2

In triangle A B C , if sinAcosB=1/4a n d3t a n A=t a n B ,t h e ncot^2A is equal to 2 (b) 3 (c) 4 (d) 5.

If A+B+C=pi,\ t h e n\ |"sin"(A+B+C)s in B cos C-s in B0t a n A"cos"(A+B)-t a n A0| is equal to 2s in B t a n A cos C b. 1 c. 0 d. none of these

The value of ((1+t a n 11^0)(1+t a n 34^0))/((1+t a n 17^0)(1+t a n 28^0)) is equal to a. 1 b. 2 c. 4 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 a. t a n A t a n B t a n C b. 0 c. 1 d. none of these

In triangle A B C , if sinAcosB=1/4 and 3t a n A=t a n B ,t h e ncot^2A is equal to (a)2 (b) 3 (c) 4 (d) 5.

In triangle A B C , if sinAcosB=1/4 and 3t a n A=t a n B ,t h e ncot^2A is equal to (a)2 (b) 3 (c) 4 (d) 5.

In triangle A B C , if sinAcosB=1/4 and 3t a n A=t a n B ,t h e ncot^2A is equal to (a)2 (b) 3 (c) 4 (d) 5.