Step-by-step explanation:
LHS= sin 3x/sin x - cos 3x/cosx
Taking LCM,
<u>=</u><u>sin3xcosx- cos3xsinx</u>
sinxcosx
<u>=</u><u>sin(3x-x)</u>
sinxcosx
= <u>2sin2x</u>
2sinxcosx
=<u> </u><u>2sin2x</u><u> </u>
sin2x
=2
= RHS.
Proved.
Answer:
(-5,0) and (4,0)
x= -5 and x= 4
Step-by-step explanation:
Because the ones place is under 5, we round down, and 392 becomes 390 when rounded to the nearest 10
Yeah is there a picture for it or what it cant just be off the top
