Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

If θ = 45 degree, then what is the value of 2 cosec2 θ + 3 secc2 θ ?

Options:

20

55

9

8

Correct Answer:

20

Explanation:

 2 cosec2 θ + 3 secc2 θ

cosec 45° = sec 45° = 2 

2 cosec² 45° + 3 sec² 45° = 2 x 4 + 3 x 4 = 20