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#1 2017-11-02 15:30:52
- shakeel123
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tan(α - 90°)=?
ECAT Engineering Exams Quizzes MCQs Quizzes ECAT Engineering Entry Test 2017 Mathematics Trigonometric Identities 1
Question:
tan(α - 90°)=
Option A):
- tan α
Option B):
cot α
Option C):
-cot α
Option D):
tan α
Correct Answer is Option C):
-cot α
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2017-11-02 15:30:52
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Re: tan(α - 90°)=?
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