chrissy45
chrissy45
30-04-2017
Mathematics
contestada
Help on these precalc problems 14-20
Respuesta :
egenriether
egenriether
30-04-2017
15) factor out cos: cos(x)(sin(x)+1)=0
Now this is true when either cos(x)=0 (x=pi/2 and 3pi/2)
Or when sin(x)=-1 (x=3pi/2)
So it's solutions are pi/2 and 3pi/2
Answer Link
VER TODAS LAS RESPUESTAS ( 33+ )
Otras preguntas
We gain energy from eating plants. Plants can't create their energy; they must first get it from the Sun. This statement is _____ according to the _____ law of
what is the greatest common factor of 65 and 91
how do you suppose soldiers could participate in such barbaric acts?
A researcher has a plant that displays yellow flowers, the trait dominant over white flowers in the species. How might the researcher discover if his plant is h
the hypotenuse of a right triangle measures 29 cm. One leg is 1 cm shorter than the other. What are the lengths of the legs?
One aspect of the president's relationship with Congress is that the Congress must approve any request from the president for military funding president must
Matt and Anna often fly between two cities that are a distance of 1680 miles apart. On one particular trip, they flew into the wind and the trip took 4 hours. T
While snorkeling you come across an organism that appears to be a mollusk. In an effort to identify the type of mollusk you make the following observations: fas
All of the following are characteristics of Europe EXCEPT: A.) rulers limited the power of officials below them B.) focused on expansion in the Americas C.) str
a jumbo smoothie cost $4.95. 2 jumbo smoothies and and medium smoothie cost $0.15 more then 4 medium smoothies. how much does the medium smoothie cost please wo
