If \(x\) is in the second quadrant and \(\sin x=\frac{7}{25}\), what is the value of \(\cos x\)?
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Answer and explanation
Correct answer: \(-\frac{24}{25}\)
The identity gives \(|\cos x|=\frac{24}{25}\). In the second quadrant, \(\cos x\) is negative.
Frequently asked questions
What is the correct answer to this question?
\(-\frac{24}{25}\)
Why is this the correct answer?
The identity gives \(|\cos x|=\frac{24}{25}\). In the second quadrant, \(\cos x\) is negative.
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Trigonometric functions and their properties.
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