Question

what is answer of cos(tan inverse (tan2))​

Answer 1

Answer:

Step-by-step explanation:

➜ cos(tan−¹(tan 2))

➜ cos(tan −¹(−tan(π−2)))

➜ cos(−tan −¹(tan(π−2)))

➜ cos(−π−2)

➜ cos(π−2)

➜ −cos2

Answer → \green{- cos 2}

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Answer 2

ANSWER

cos(tan−1(tan2))

=cos(tan −1 (−tan(π−2)))

=cos(−tan −1 (tan(π−2)))

=cos(−π−2)

=cos(π−2)

= −cos2

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