Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

If cotA =\(\frac{3}{4}\), then

find the value of (10 sinA + 9 tanA)

Options:

14

16

18

20

Correct Answer:

20

Explanation:

cotA =\(\frac{3}{4}\)=\(\frac{3}{4}\)=\(\frac{B}{P}\)   [Triplet 3 , 4 , 5]

H = 5

⇒ 10 sinA + 9 tanA

= 10 × \(\frac{4}{5}\) + 9 × \(\frac{4}{3}\)

= 8 + 12 = 20