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JEE MAIN 2021
27-08-2021 S1
Question
Let $\frac{\sin A}{\sin B}=\frac{\sin (A-C)}{\sin (C-B)}$, where $A, B, C$ are angles of a triangle $A B C$. If the lengths of the sides opposite these angles are $\mathrm{a}, \mathrm{b}, \mathrm{c}$ respectively, then :
Select the correct option:
A
$b^2-a^2=a^2+c^2$
B
$b^2, c^2, a^2$ are in A.P.
C
$c^2, a^2, b^2$ are in A.P.
D
$a^2, b^2, c^2$ are in A.P.
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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JEE Main
Mathematics
Medium
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