Triangle Identity c² sin (Jee Mains) | ExamDuo
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Triangle Theorems
Medium
Triangle Identity c² sin
In ΔABC, (a - b)² cos²
C
2
+ (a + b)² sin²
C
2
is equal to
SELECT ONE OPTION
A
b²
B
c²
C
a²
D
a² + b² + c²
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