CBSE BOARD X, asked by avinashkumarbth8459, 6 hours ago

If 1 + tan² 3A = sec² 54 degree where 3A is an acute angle , then the value of A is

Answers

Answered by guprhd

2

Answer:

A= 18°

Explanation:

We know,

1 + tan²(theta) = sec ²(theta)

Therefore, comparing the equation,

3A= 54°

=> A= 54°/3= 18°

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