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 ( 33+ )
Otras preguntas
What is the size of ABC shown in the above figure
Given: AEFB, AE ≈ FB, DA ≈ CB, and angle A and angle B are right angles. Prove: Triangle DAF ≈ Triangle CBE and DF ≈ CE
Kerajaan Srivijaya telah melantik penyelia kegiatan perdagangan dan pekapalan. Apakah gelaran jawatan tersebut?
What is 3x + 15 <_30
5x-4y=17 2x-3y=11 Solve with elimination method
what is the irony of text lebanon's drinking water.
last week, 73% of tickets sold at a cinema were adult tickets. what percentage of the tickets sold were not adult tickets. (a step by step answer would be great
DEVELOPMENT ETHICS ADDRESS 3 KEY THEME PARATES THEM.
Activity: Use a dictionary and fill in the empty boxes with the correct parts of speech for the given root words. Please note that some root words might not hav
Do iron nails rust more in salt water than in vinegar? Please answer ASAP.
