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Question

If secθ is 54 then write the value of cosθ?


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Solution

Computing the required value:

Given that: secθ=54

We need to find the value of cosθ,

According to the trigonometric reciprocal formula we know that,

secθ=1cosθ

Substituting the given value of secθ in the above equation, we get

secθ=1cosθ54=1cosθcosθ=45

Hence, the value of cosθ=45.


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