`tan alpha + 2 tan 2alpha + 4 tan 4 alpha + 8 cot 8 alpha = `

tan alpha+ 2 tan 2 alpha+ 4 tan4 alpha+8 cot 8 alpha=

Prove that tan alpha + 2tan 2alpha + 4tan 4alpha + 8cot 8alpha = cot alpha .

Statement I tan alpha+2tan 2 alpha+4 tan 4 alpha + 8 tan 8 alpha+16 cot 16 alpha=cot alpha Statement II cot alpha- tan alpha=2 cot 2 alpha

Statement I tan alpha+2tan 2 alpha+4 tan 4 alpha + 8 tan 8 alpha+16 cot 16 alpha=cot alpha Statement II cot alpha- tan alpha=2 cot 2 alpha

Prove that: tan alpha+2tan2 alpha+4tan4 alpha+8cot8 alpha=cot alpha

tan alpha+2tan2 alpha+4tan4 alpha+8cot8 alpha=cot alpha

tan alpha+2tan2 alpha+4tan4 alpha+8cot8 alpha is equal to :

If alpha = (2pi )/(7) , then tan alpha tan 2 alpha + tan 2 alpha tan 4 alpha + tan 4 alpha tan alpha =

Prove that, tan 8alpha - tan 5 alpha - tan 3 alpha = tan 8alpha tan 5 alpha tan 3 alpha