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Trigonometric Identities

What is the v...

Question

What is the value of $cos θ \times sec θ$ ?

A

4

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B

3

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C

2

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D

1

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Solution

The correct option is D $1$
$cos θ = \frac{1}{sec θ}$
Therefore,
$cos θ \times sec θ = cos θ \times \frac{1}{cos θ} = 1$

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