Simplifying Trigonometric Expressions: The relationship between cotangent and cosecant identities

1 + cot^2 x

To simplify the expression 1 + cot^2(x), we need to use the trigonometric identities

To simplify the expression 1 + cot^2(x), we need to use the trigonometric identities.

The identity cot^2(x) = 1 + cosec^2(x) relates cotangent and cosecant. This means that when we have cot^2(x), we can replace it with 1 + cosec^2(x).

Using this identity, we can rewrite the expression as:

1 + cot^2(x) = 1 + (1 + cosec^2(x))

Now, let’s simplify further:

1 + (1 + cosec^2(x)) = 1 + 1 + cosec^2(x) = 2 + cosec^2(x)

Therefore, the simplified expression for 1 + cot^2(x) is 2 + cosec^2(x).

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