What does one degree electricity mean

What does one degree electricity mean

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If f (x) = cosx SiNx, then a decreasing interval of this function is
This problem is inconvenient to use derivative, we should use trigonometric identity transformation. Change cosx-sinx into root 2 (cos45sinx-sin45cosx), and then change it into root 2cos (45 + x), so it's much easier. One of the monotonic decreasing intervals is (- 45 degrees, 135 degrees). I use my mobile phone to call, but some places are not clear, sorry ha!
It is easy to find the derivative of function
I always hear people say how many degrees his house has. How many meters is one degree?
Where is your hometown? Maybe it's the dialect of your hometown,
We all talk about Zhang, one Zhang is 3.3 meters, I don't know if it's the degree you said
Solve the equation with SiNx = - 1 / 2, cosx = 0 and SiNx greater than 0
Can use trigonometric function of the image
(1) SiNx = - 1 / 2
X = 2K π - π / 6 or x = 2K π - 5 π / 6, K ∈ Z
（2）cosx=0,
x=kπ+π/2,k∈Z
(3) SiNx is greater than 0
2kπ
SiNx = - 1 / 2
x=2kπ-π/6 k∈Z
cosx=0
x=kπ+π/2 k∈Z
sinx>0
2kπ
How many minutes does a degree angle equal?
One degree angle = 60 minutes = 3600 seconds
An angle of one degree equals 60 minutes
An angle of one degree equals 60 minutes
ABC is an isosceles right triangle, so
AF+FC=BE+CE
So FC = 4, CE = 3,
Then, EF = 5
(2 / 3-1 / 5) + (2 / 3-12 / 17) - (1 / 5 + 5 / 17) is calculated by a simple method
=（2/3+2/3）-（1/5+1/5）-（12/17+5/17）
=4/3-2/5-1
=-1/15
1 degree equals (') 1' equals (")
1 degree equals (60 ') 1' equals (60 ")
1 degree equals (60 ') 1' equals (60 ")
1 degree equals (60 ') 1' equals (60 ")
1 degree equals (60 ') 1' equals (60 ")
39 + 38 + 37 + 36. + 1 =? Simple method
Original formula = (39 + 1) + (38 + 2) +（20+20）-20=40×20-20=800-20=780
How many degrees and minutes is 35.6 degrees equal to? 1 degree = 60 minutes = 3600 seconds 29 degrees 35 minutes 20 seconds equal to how many degrees?
35.6 degrees is 35 degrees 36 minutes
29 degrees 35 minutes 20 seconds is 29 and 53 / 90 degrees
Simple calculation method: 14.5 + 6.65 * 39.9 + 25.4 + 2.35 * 39.9
14.5+25.4+(2.35+6.65)*39.9
=39.9+9*39.9
=39.9*(1+9)
=399