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#1 2017-10-06 16:06:00
- shakeel123
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Cos 60 ̊ = cos (90 ̊ - 30 ̊) =?
10th Class Punjab Board Exams Quizzes MCQs Quizzes Punjab Maths Online 10th Class Test Lesson 8 Trigonometry
Question:
Cos 60 ̊ = cos (90 ̊ - 30 ̊) =?
Option A):
Sin 60 ̊
Option B):
sin 30 ̊
Option C):
sin 90 ̊
Option D):
sin 45 ̊
Correct Answer is Option C):
sin 90 ̊
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Re: Cos 60 ̊ = cos (90 ̊ - 30 ̊) =?
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