TS EAMCET 04 May 2019 Shift 1 Solved Paper

Section: Mathematics

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Question : 22 of 160

Marks: +1, -0

If A + B + C = π, then sin A - sin B + sin C =

4 cos (
A
2
) cos (
B
2
) cos (
C
2
)
4 sin (
A
2
) sin (
B
2
) cos (
C
2
)
sin (
A
2
) cos (
B
2
) sin (
C
2
)
4 sin (
A
2
) cos (
B
2
) sin (
C
2
)

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