Question

How will l find the value of tan(-105degree)?????

Answer 1

Answer:

Step-by-step explanation:

NOW,

⇒ tanФ = cot(90°-Ф)

⇒ tan-105° = cot(90+105)

⇒cot 195°.

NOW, AS IT EXCEEDS THE VALUE OF 90°, THIS CANOT BE POSSIBLE, THUS THE VALUE CAN'T BE FOUND.

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Answer 2

Answer:

Step-by-step explanation:

tan(-105) = - tan(105)

- tan(90 + 15) = cot(15)

cot(15) = 2 + root3