If (\sec \theta=2) and (\theta) is in the first quadrant, what is (\cos \theta)?
Answer and explanation
Correct answer: (\frac{1}{2})
( \sec \theta=\frac{1}{\cos \theta}), so ( \cos \theta=\frac{1}{2}). In exams remember reciprocal relations.
Frequently asked questions
What is the correct answer to this question?
(\frac{1}{2})
Why is this the correct answer?
( \sec \theta=\frac{1}{\cos \theta}), so ( \cos \theta=\frac{1}{2}). In exams remember reciprocal relations.
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Trigonometric functions and their properties.