If (x) is in the second quadrant and (\sin x=\frac{5}{13}), what will (\cos x) be?
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Answer and explanation
Correct answer: (-\frac{12}{13} )
In the second quadrant, (\cos x) is negative. From (\sin^2 x+\cos^2 x=1), (\cos x=-\frac{12}{13}).
Frequently asked questions
What is the correct answer to this question?
(-\frac{12}{13} )
Why is this the correct answer?
In the second quadrant, (\cos x) is negative. From (\sin^2 x+\cos^2 x=1), (\cos x=-\frac{12}{13}).
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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