the value of the expression `cot2cot3-cot3cot5-cot5cot2=`

Prove that: cot2Acot3A-cot3Acot5A-cot5Acot2A=1

What is the value of the expression (Cot 1^@ cot2^@ cot3^@ Cot4^@ co5t^@ _____ Cot 90^@ (A) O (B) 1 (C ) 2 (D) 1/2

cot x*cot2x-cot2x*cot3x-cot3x*cot x=1

What is the value of cot35^@ cot40^@ cot45^@ cot50^@ cot55^@ ? cot35^@ cot40^@ cot45^@ cot50^@ cot55^@ का मान क्या है ?

If theta=9^@ , then what is the value of cot theta cot2 theta cot3 theta cot4 theta cot5 theta cot6 theta cot7 theta cot8 theta cot9 theta ? यदि theta=9^@ ,तो cot theta cot2 theta cot3 theta cot4 theta cot5 theta cot6 theta cot7 theta cot8 theta cot9 theta का मान क्या होगा?

Prove that cot x cot2x-cot2x cot3x-cot3x cot x=1

Prove that cot 2x cot x- cot 3x cot 2x - cot 3x cot x=1

If theta = 9^(@), then what is the value of cot theta cot 2 theta cot 3 theta cot 4 theta cot 5 theta cot 6 theta cot 7 theta cot 8 theta cot 9 theta ?