dracheleuzumd
dracheleuzumd
23-09-2016
Mathematics
contestada
solve: sin^2 x + sin x cos x = 0
Respuesta :
HomertheGenius
HomertheGenius
26-09-2016
sin² x + sin x cos x = 0
sin x ( sin x + cos x ) = 0
sin x = 0 ;
x 1 = k π ; k ∈ Z
sin x + cos x = 0 / ²
sin² x + 2 sin x cos x + cos² x = 0
2 sin x cos x + 1 =0
sin ( 2 x ) = - 1
x = 3π / 2 + 2 kπ / : 2
x 2 = 3π / 4 + kπ ; k ∈ Z
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
Which of the following is not an example of critical thinking? a. identifying several solutions to a problem b. questioning source information c. implementing t
Which lines in this excerpt from act I, scene I, of Richard III use foreshadowing?
How is the declaration of sentiments historically important to our country’s foundation?
If I roll two number cubes and flip a coin, how many possible outcomes are there?
Which statements are true of functions?
Before they are 10 years old, children are _______ as likely to die from a(n) ________ than from a(n) ________ twice; injury; illness. three times; illness; inj
7+7x = 100points for u
What is the storage requirement for reconstituted Cefaclor 250 mg/5 ml??
What is the probability that a fair die comes up six when it is rolled? (Enter the value of probability in decimal format and round it to two decimal places.)
Which correctly describes the laws of conservation? A. Mass is not conserved in a chemical reaction. B. Energy is not conserved in a nuclear reaction.
