Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

If 2\(\sqrt {5}\) sinθ = 2

find the value of (tanθ + sec2θ).

Options:

\(\frac{3}{4}\)

\(\frac{6}{4}\)

\(\frac{7}{4}\)

\(\frac{3}{5}\)

Correct Answer:

\(\frac{7}{4}\)

Explanation:

2\(\sqrt {5}\) sinθ = 2

sinθ = \(\frac{2}{2\sqrt {5}}\)=\(\frac{P}{H}\)

B=\(\sqrt {(H)^2-P^2}\)

B=\(\sqrt {(2\sqrt {5})^2-(2)^2}\)

B = 4

Now, (tanθ + sec2θ)

\(\frac{2}{4}\)+(\(\frac{2\sqrt {5}}{4}\))2=\(\frac{1}{2}\)+\(\frac{5}{4}\)

\(\frac{7}{4}\)