In ABC - 2ac sinA-B-C2 is equal to -

The correct option is B c^2 + a^2 b^2 In ABC, A+ B+ C=180^o ..... (i) Consider, 2ac sin(A B+C2) #160; = 2 ac sin( 180^o 2B2 # ...

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Angle Sum Property

In ABC , 2a...

Question

In $△ A B C, 2 a c sin (\frac{A - B + C}{2})$ is equal to :

a^{2} + b^{2} - c^{2}

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c^{2} + a^{2} - b^{2}

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b^{2} - a^{2} - c^{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

c^{2} - a^{2} - b^{2}

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In a $△ A B C, 2 c a s i n (\frac{A - B + C}{2})$ is equal to

a + b + c = 0

\frac{1}{b^{2} + c^{2} - a^{2}} + \frac{1}{c^{2} + a^{2} - b^{2}} + \frac{1}{a^{2} + b^{2} - c^{2}}

|\begin{matrix} - a (b^{2} + c^{2} - a^{2}) & 2 b^{3} & 2 c^{3} \\ 2 a^{3} & - b (c^{2} + a^{2} - b^{2}) & 2 c^{3} \\ 2 a^{3} & 2 b^{3} & - c (a^{2} + b^{2} - c^{2}) \end{matrix}| = a b c {(a^{2} + b^{2} + c^{2})}^{3}

In a triangle ABC, $2 c a s i n \frac{A - B + C}{2}$ is equal to

2 a c \sin (\frac{A - B + C}{2})

a^{2} + b^{2} - c^{2}

c^{2} + a^{2} - b^{2}

b^{2} - c^{2} - a^{2}

c^{2} - a^{2} - b^{2}

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