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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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2017-10-06 16:06:00

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Re: Cos 60 ̊ = cos (90 ̊ - 30 ̊) =?



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