Question

tan²3 A + 1 = cosec² 36. Therefore A =​

Answer 1

Answer:

A=18

Step-by-step explanation:

tan^2(3A)+1=cosec^2(36)

We know that, tan^2(x)+1=sec^2(x), cosec(x)=sec(90-x),

sec^2(3A)=sec^2(90-36)

3A=90-36

3A=54

A=54/3

A=18