michellebonifaz michellebonifaz

04-11-2019
Mathematics

contestada

Simplify the expression.
-2(csc^2θ- cot^2θ) - 1

Respuesta :

WaywardDelaney WaywardDelaney

08-11-2019

Answer:

The value of given expression is - 3

Step-by-step explanation:

Given expression as :

- 2 (cosec²Ф - cot²Ф ) - 1

Now , ∴ cosec²Ф = 1 + cot²Ф

SO, -2 (1 + cot²Ф - cot²Ф) - 1

Or, -2 (1) - 1

Or, -2 - 1 = -3

Hence the value of given expression is - 3 Answer

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