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 ( 94+ )
Otras preguntas
PLEASE HELP ME I AM STUCK PLEASE PLEASE PLEASE
Please give answers ! 17 points please help
Which was not an issue that divided the delegates to the Constitutional Convention? A. how to count slaves for representation B. the continuation of the slave t
If the circumference of a circle is 94.25 inches then what is the radius?
How is it possible for a single sedimentary rock to contain rock particles animal shells and minerals that crystallized from water?
the plaque of 1348 is most significant because
Gerard has $30 to spend on lunches this month. Lunch costs him $1.50 each day. After Gerard buys lunch for 8 days, which statement is true? Gerard has spent les
During a cake eating contest a man ate 3-2/6 cakes and his son ate 2-4/6 cakes. How many cakes did they eat altogether?
which car has the greatest acceleration during the time interval 10 seconds to 15 seconds
what is la petanque
