Calculate the value of cosalpha if sinalpha =-(24)/(25) and alpha in (pi ;3pi /2):

Name: Calculate the Value of Cosalpha If Sinalpha =-(24)/(25) and Alpha in (pi ;3pi /2):
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Question

Answer 1

To calculate the value of

given that

and

, we can use the Pythagorean identity:

Substituting the given value of

, we have:

Simplifying the equation, we get:

Taking the square root of both sides, we have:

Since

,

is negative. Therefore, the value of

is:

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