lexa2
lexa2
07-06-2016
Mathematics
contestada
7 cos x+1=6 secx solve for x
Respuesta :
padawan
padawan
07-06-2016
7cos(x) + 1 = 6sec(x)
7cos(x) + 1 = 6/cos(x)
7cos^(x) + cos(x) = 6
7cos^(x) + cos(x) - 6 = 0
[7cos(x) - 6][cos(x) + 1] = 0
cos(x) = 6/7 , x = arccos(6/7) and
cos(x) = -1, x = 180
Answer Link
VER TODAS LAS RESPUESTAS ( 46+ )
Otras preguntas
state four human activities that uses heat energy
What is the role of the immune system? Check all that apply. protects the body from bacteria protects the body from viruses protects the body from chemical s
"She was a large woman with a large purse that had everything in it but hammer and nails. It had a long strap, and she carried it slung across her shoulder. It
The legs of an isosceles triangle have lengths x + 1 and -x + 7. The base has length 3x - 3. What is the length of the base? Question 5 options: A. 4 B.
What is the meaning of the simile “a bright girdle” in this excerpt from “Dover Beach” by Matthew Arnold? The Sea of Faith Was once, too, at the full, and roun
________ states that the same geological processes happen now that happened in the past.
( simultaneous equations)m/n + n/3 = 22/m + n = 4Can someone show me how to solve this question step by step?
Select the correct answer. Select the interrogative (question word). A. dónde B. son C. por D. ella
why does More think it is in a kings interest to ensure prosperity of his people
One result of the restoration was the development of new colonies in north of friends.
