if r=2,b=2,y=2 then rby +rby+rby=yyy
Answers
Answered by
1
Step-by-step explanation:
Correct option is
B
2sin (B - C)
consider, t=
2aR
b
2
−c
2
⇒t=
4R
2
sinA
4R
2
sin
2
B−4R
2
sin
2
C
⇒t=
sin(π−B−C)
sin
2
B−sin
2
C
=
sin(B+C)
cos2C−cos2B
⇒t=
sin(B+C)
−2sin(B+C)sin(C−B)
=2sin(B−C)
Answered by
0
Answer:
idk but
Step-by-step explanation:
refer G .o.o.o.g..l.eand Mark me branlist I know I don't know but yes
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