If cosec A = sec B, where A and B are ac

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

If cosec A = sec B, where A and B are acute angles, then what is the value of (A + B) ?

Options:

0°

135°

90°

45°

Correct Answer:

90°

Explanation:

cosecA = secB

cosecA = cosec ( 90º - B )

A = 90º - B

A + B = 90º

So , 90º is correct answer