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#1 2017-10-16 15:42:17

hamidoon123
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Registered: 2017-09-21
Posts: 50,766

(Sin x + Cos x)² = _______?

10th Class Federal Board Exams Quizzes MCQs Quizzes Federal Board Class 10th Math Chapter No 4

Question:
(Sin x + Cos x)² = _______

Option A):
1+ Sinx Cosx
Option B):
Sin²x + Cos² x
Option C):
1 + 2Sinx Cosx
Option D):
1-2 Sinx Cosx

Correct Answer is Option C):
1 + 2Sinx Cosx

2017-10-16 15:42:17

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Re: (Sin x + Cos x)² = _______?



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