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Question

If the value of secθ is 1, what is the value of tan2θ?


A
1
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B
1+sec2θ
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C
0
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D
tan2θ+sec2θ
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Solution

The correct option is C 0
Since secθ=1, sec2θ=1.

Since 1+tan2θ=sec2θ
1+tan2θ=1
tan2θ=0

Mathematics

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