s4umbbiteffenguye
s4umbbiteffenguye
02-09-2016
Mathematics
contestada
Is sinx cosx ever equal to 1?
Respuesta :
SyntaxError
SyntaxError
02-09-2016
From Pythagorean Identities
sin^2
x
+
cos^2
x
=1
and from that identities we can have
sinx
+
cosx
=1
, taking
sinx
=1−
cosx
and substitute in the equation
sinx
+
cosx
=1
(1−
cosx
)
+
cosx
=1
Remove the parenthesis
1−
cosx
+
cosx
=1
cancel
cosx
1=1
Answer Link
VER TODAS LAS RESPUESTAS ( 15+ )
Otras preguntas
Which one of the following does not accurately describe the universal gravitational law? A. Gravitational force is proportional to the square of the
Halogens have ------ electron affinity a) exothermic b) endothermic c) positive d) zero
As world war I was about to unfold, what common enemy did Austria-Hungary and Germany share
What is the simplified form of 15 x to the eighth power over 24 y to the fifth power divided by 4 x to the fourth power over 8 squared A) 4 y cubed over 5 x to
How can you use metal math to determine if a ratio is simplified
Which gauge indicates the total number of miles your car has been driven since it was manufactured? A. The speedometer B. The tachometer C. The odometer D. The
Frankie can build a speaker box in 120 minutes. Tisha can build a speaker box 40 minutes faster. If they work together, how many minutes does it take them to bu
A conflict resolution manual calls on "the first disputant " to state his/her case what does disputant mean in this context?
When you enter a formula into a cell, the results of that calculation displays in the cell. How do you view the formula in the cell after entering it?
The area of a rectangle is 33 m2 , and the length of the rectangle is 5 m less than double the width. find the dimensions of the rectangle.
