If sin A =\(\frac{3}{5}\) , t

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

If sin A =\(\frac{3}{5}\) , then

find the value of (12 secA + 9 cotA) .

Options:

Correct Answer:

Explanation:

sin A =\(\frac{3}{5}\)

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

B = 4

⇒ 12 secA + 9 cotA

= 12 × \(\frac{5}{4}\) + 9 × \(\frac{4}{3}\)

= 15 + 12 = 27