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shakeel123

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Registered: 2017-09-21

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cot(90° - α) =?

Math ECAT Exams Quizzes MCQs Quizzes Trigonometric Identities Test

Question:
cot(90° - α) =

Option A):
tan α
Option B):
-sin α
Option C):
-cot α
Option D):
-tan α

Correct Answer is Option A):
tan α

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