Question

value of cot9° .cot99°​

Answer 1

Answer:

Step-by-step explanati,

cot(9).cot(99)=?

cot(9) =25/4

cot(99)=-100/631

thetefgore cot(9).cot(99)=25/4*-100.631

                                     =-625/631

Answer 2

Answer:

98bjddndhjdkfndndjrjur9rjt