Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

Find the value of \(\frac{cos\;θ\; .\; sec\;θ\;. \;tan\;θ\;.\; cot\;θ}{sec^2θ \;-\; tan^2θ}\) .

Options:

2

-1

1

0

Correct Answer:

1

Explanation:

\(\frac{cos\;θ\; .\; sec\;θ\;. \;tan\;θ\;.\; cot\;θ}{sec^2θ \;-\; tan^2θ}\)

1   (because cosθ.secθ = 1), so tanθ.cotθ = 1 ⇒ sec2θ - tan2θ = 1