UPSC 2015 CDS II Math Paper

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Question : 36 of 100

Marks: +1, -0

Consider the following statements :
1.

1+tan2θ

1+cot2θ

=(

1−tan‌θ

1−cot‌θ

)2 is true for all 0<θ<

π

2

,θ≠

π

4.

2. cot‌θ=

1

tan‌θ

is true for θ=45° only
Which of the above statements is/arecorrect ?

[2015 CDS-II]

1 only
2 only
Both 1 and 2
Neither 1 nor 2

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