Question

If cot x = tan (n-1) x , find the value of x.


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Answer 1

Answer:

tan

−1

x−cot

−1

x=tan

−1

(

3

1

)⟹2tan

−1

x−

2

π

=

6

π

⟹tan

−1

x=

3

π

⟹x=

3

sec

−1

(

x

2

)=sec

−1

(

3

2 )= 3π