Question

10. If Cot A = tan 36° then find A.​

Answer 1

Step-by-step explanation:

The value of A is "63°".

Step-by-step explanation:

We have,

\tan(A - 36) = \cotAtan(A−36)=\cotA

= \tan(A - 36) = \tan(90 - A)tan(A−36)=tan(90−A)

∴ A - 36° = 90° - A

⇒ A + A = 90° + 36°

⇒ 2A = 126°

⇒ A = 63°

Hence, the value of A is "63°".

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Answer 2

54 degree

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