1
sin 0 - 2 sine
Prove that : sec 0 -
2 coste – cose
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Step-by-step explanation:
The correct structure of tri bromooctaoxide
1)
1.O=Br-Br - Br-o
2.o - Br - Br-Br =0
3.O=Br-Br
4.O=Br-Br-Br=0
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