mayurimjani
mayurimjani
25-06-2016
Mathematics
contestada
evaluate: sin (225degree)
Respuesta :
olemakpadu
olemakpadu
26-06-2016
sin(225)
225 degrees is in the 3rd quadrant. And in the third quadrant only tangent is positive, sin is negative.
For third quadrant, basic angle = 225 - 180 = 45
sin225 = - sin45
sin225 = - sin45 = -0.7071
sin 225° ≈ -0.7071
Answer Link
VER TODAS LAS RESPUESTAS ( 39+ )
Otras preguntas
A nurse on a pediatric unit is assisting with the care of a group of clients. Which of the following clients would benefit most from an inter-professional care
What is the expression of 3,972 divided in 12
what evidence from the text shows in the christmas carol that it's never too late to change one's ways to be selfless
Read the paragraph. During the winter of 2017-2018, the US experienced unusually unpredictable weather. In upstate New York, temperatures rose and fell like two
Which line from the story suggests that Ray is nervous around Lilly?
Select one topic that is interesting to you. Then, use references such as the Internet to research your topic and prepare one page of documentation that you cou
Which of the following correctly describes bacterial transformation?A DNA from one bacteria is transferred to another bacteria through the pilus.B DNA from a ba
You are building a doghouse For Binky, your labador. The blueprint of the doghouse uses a scale of 1:14. The floor of the doghouse measures 2" x 2.5" on the blu
Which of the following falls under the category of Specific mental functions?a. Memoryb. Attentionc. Perceptiond. Problem solving
__________ result from antibody binding to the RBC surface and removal of a portion of the membrane by macrophages; this occurs in immune hemolytic anemia (IHA)