If `(1+t a n1^0)dot(1+t a n2^0)dot(1+t a n3^0)(1+tan45^0)=2^n` , then `' n '` is equal to `16` b. `23` c. `3` 0 d. none of these

If (1+t a n1^0). (1+t a n2^0) .(1+t a n3^0)......(1+tan45^0)=2^n , then ' n ' is equal to 16 b. 23 c. 3 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

Prove that (1+tan1^0)(1+tan2^0)......(1+tan45^0)=2^(23)dot

Prove that (1+tan1^0)(1+tan2^0)......(1+tan45^0)=2^(23)dot

Prove that (1+tan1^0)(1+tan2^0)......(1+tan45^0)=2^(23)dot

If (1^2-t_1)+(2^2-t_2)+---+(n^2-t_n)=(n(n^2-1))/3 , then t_n is equal to a. n^2 b. 2n c. n^2-2n 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

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

Prove that: t a n 70^0=t a n 20^0+2t a n 50^0dot

Prove that: t a n 70^0=t a n 20^0+2t a n 50^0dot