Math, asked by prasannameher42, 10 months ago

If cot A = tan ( n-1 ) A, find A​

Answers

Answered by Rajputsaurabhsingh
1

✴️✌️HEY✌️✴️

GIVEN,

Cot A = tan (n-1) A , To find the value of A

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=> COT A = TAN(n-1 )A

cos A/sin A =sin(n-1)A/cos(n-1)A

cosA cos(n-1)A - sinAsin(n-1)A=0

cos(A + nA - A)=0

cos nA=0

cos nA = cospi/2

nA= pi/2

a= pi/2n

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