jayaluciana
jayaluciana
31-08-2016
Mathematics
contestada
how do you simplify sin2x=cosx
Respuesta :
Panoyin
Panoyin
31-08-2016
sin(2x) = cos(x)
2sin(x)cos(x) = cos(x) Expand sin(2x).
2cos(x) 2cos(x) Divide 2cos(x) on each side.
sin(x) = ¹/₂
sin⁻¹[sin(x)] = sin⁻¹(¹/₂) Use sin⁻¹(x) on each side.
x = 30, 150 Find the answer.
Answer Link
VER TODAS LAS RESPUESTAS ( 99+ )
Otras preguntas
• Moses austin gets permission to settle 300 catholic families in texas. • moses austin dies of pneumonia. • stephen f. austin takes over his father's contract
Which yuri on ice character are you buzzfeed?
At how many points does the graph of the function below intersect the x-axis? y = 2x2 - 3x + 1 A.2 B.1 C.0
If the temperature of a piece of steel decreases, what happens to its density
What did the delta of nile river provide egyptians
What do you need to know in order to look up a word in the dictionary? a. the first few letters of the word b. what part of speech the word is c. how to pron
Why should scientists control most possible variables in their experiments?
Least common factor of 15, 9, 8
ONE QUESTION! WILL GIVE BRAINLIEST ANSWER! 21. Explain the difference between the preterite and the imperfect.
What law did france have about coming to north america??
