Question

if 1 + cot² 60 = cosec² A then find the value of A​

Answer 1

Answer:

A = 60

it is the right answer

Answer 2

Answer:

cosec260°−1=(32)2−1=34−1=31

Now, (A)cos260°=31

⇒     (B)cot260°=(31)2=31

∴cosec260°−1=cot260°

Hence, the answer is cot260°.