Question

Convert the following 1. tan (theta-14pie) 2. (cot [ 21pie/2-theta]​

Answer 1

Answer:

We have to convert into simplest form of tan (θ - 14π)

we know, tan(2nπ - θ) = -tanθ

tan(-θ) = -tanθ

so, tan(θ - 14π) = tan{-(14π - θ)}

= -tan(14π - θ) [ as tan(-θ) = -tanθ]

= - tan(7 × 2π - θ)

= tanθ [ as tan(2nπ - θ) = -tanθ, where n is integer ]

hence, simplest form is tanθ

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