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 ( 77+ )
Otras preguntas
2: what advice does haymitch give to katniss and peeta about the stations in the training center? hunger games book
Which property of real numbers is shown below? 3 + ((-5) + 6) = (3 + (-5)) + 6
Some of Intel's financial statement data includes: 2015 2016 Total assets 105,000 125,000 Net income 10,000 11,000 Sales 95,000 100,000 Equity 30,000 32,000
what is greater 16.5 or 18750
Please someone help me
Which value is equivalent to (1/3)^x =27^x+2
As early map makers concluded, the shorelines of South America and Africa coincided nicely. Suggest some early evidence indicating that these two landmasses we
(Secret Life of Bees) What is August's patented remedy for a bee sting? a. rub the sting with olive oil and bee pollen b. rub the sting with honey c. wash the s
Tell whether the number is written in scientific notation 7.814×10^−36
Fill in the blanks with appropriate plural form. 1. I went with my friends to the _____________ (Movie).2. My P.E. teacher handed out ________________ (Football
