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
How do I solve this?
Alexis is `56` inches tall. What is her hight in meters
Instructions: Find the measurement of the angle indicated for the following trapezoid.
Solve the system of equation Y= 3x -1 4x+y=-8
A driver should allow at least how many inches between the driver's chest and the steeringwheel?
Why did William Penn establish the colony of Pennsylvania? Responses A He hoped to found a place where Quakers would not be allowed to live. B He wished
is it ethical to use selective breeding of farm animals for agriculture
Karen is working on a project that is due in 10 days. So far, she has spent 3 2/5 hours on it and figures that she is about 3/8 done. How many more hours wi
The radius of circle M is 5 cm, the radius of circle N is 3 cm, and the radius of circle L is 3 cm. What is the perimeter of triangle LMN? SHOW YOUR WORK. Hint:
Which of the following groups provides protection and nourishment to the embryo? a. bryophytes only b. gymnosperms only c. lycophytes only d. all plants e. angi
