4 is the only factor common among all terms
Answer:
0.10
Step-by-step explanation:
0.10 = 10/100 or 10%
Multiply 400*0.10 to get 10% of 400.
We know, cos A + cos B = 2cos(C+D)/2 × cos(C - D)/2
So,
cos 130 + cos 110 + cos 10
cos 130 + 2cos (110+10)/2 × cos( 110-10)/2
cos 130 + 2cos 60 × cos 50
cos ( 180 - 50 ) + 2cos60 cos 50
We know, cos ( 180 - A ) = -cos A
2cos 60 cos 50 - cos 50
Also, cos 60 = 0.5
2×0.5 cos 50 - cos50
cos 50 - cos 50
0 = RHS.
Hence proved
Answer:
4
Step-by-step explanation:
Here,BC=1/2FH
BC=8/2
BC=4
This is the required answer
<em>hope</em><em> </em><em>it</em><em> </em><em>hel</em><em>ps</em><em> </em><em>u</em><em> </em><em>and</em><em> </em><em>keep</em><em> </em><em>smiling </em>:)
Answer:
the first one, and the last one
Step-by-step explanation: