Derivitive of cosx=-sinx
dy/dx sinx=cosx
and use chain rue
2cosx=-2sinx
2cos2x=-4sin2x
so
-2sinx-4sin2x id the deritivitve
To find the volume, you do area multiplied by thickness( or height)
In this example, you do (1/2*9*6)*10 which is 270
hope I helped ;)
Answer:
4.8
Step-by-step explanation:
Answer:
100 in^2
Step-by-step explanation:
(15/21)^2 x 196 = 100
