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यदि A + B - C = 180^(@) तथा sin^(2) A + ...

यदि `A + B - C = 180^(@)` तथा `sin^(2) A + sin^(2)B - sin^(2)C = K sin A sin B cos C` है, तो K का मान है : (i) 1 (ii) 2 (iii) 3 (iv) 4

A

1

B

2

C

3

D

4

लिखित उत्तर

Verified by Experts

The correct Answer is:
B
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