Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

If sinθ - cosθ = \(\frac{17}{53}\), find the value of sinθ + cosθ .

Options:

\(\frac{73}{34}\)

\(\frac{25}{53}\)

\(\frac{53}{73}\)

 \(\frac{73}{53}\)

Correct Answer:

 \(\frac{73}{53}\)

Explanation:

⇒ sinθ - cosθ = \(\frac{17}{53}\)

⇒ \(\frac{P}{H}\) - \(\frac{B}{H}\) = \(\frac{17}{53}\)

⇒ \(\frac{P - B}{H}\) = \(\frac{17}{53}\)

Use triplets, (28, 45 , 53)

P = 28, B = 45 , H = 53

⇒ sinθ + cosθ = \(\frac{P}{H}\) + \(\frac{B}{H}\) = \(\frac{28}{53}\) + \(\frac{45}{53}\) = \(\frac{73}{53}\)