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 ( 23+ )
Otras preguntas
NEED ANSWER ASAP!!! The following equation has an unknown (a) as one of its coefficients for x. If this equation has no solution, what is the value of a? 7x−9x−
What features is a characteristic of a democracy? Leaders retain power through a tradition of allegiance Leaders retain power through a tradition of allegiance
Question 2 Which fraction is greater and why? 1/51 or 1/52
In a mixture the original substances change to form a new substance. A. True B. False
Pead the passage When Sputnik finds out that her owner is going to space, what does Sputnik A She follows her owner into the bedroom B She feels a little bit sa
9. On which date is the South Pole experiencing 24 hours of darkness? A. March 21 B. June 22 C. December 22
The Boston Hotel High-end linens 600-thread-count sheets Coffeemaker and selected teas Imported beer Fresh-squeezed juices Affordability Food and drink Doubl
Help me answer these last 4 questions! Myth,fact,opinion !!
Verbs of motion, condition and all reflexive verbs use ____ as their auxiliary verb. être avoir
Carbon 14 is a radioactive isotope of carbon, the most common isotope of carbon being carbon 12. Carbon 14 is created when cosmic ray bombardment changes nitrog
