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

Otras preguntas

1. What term describes the average weather conditions in a geographic area? A. Weather B. Climate C. Precipitation D. Temperature

what is the quatient 7 -4/ 7 -9

Which of the following correctly describes the process of Translation?I. tRNA anticodon bonds to mRNA codonII. Ribosome bonds to mRNA strandIII. Ribosome reache

"A customer has an existing margin account and wants to write five covered calls against 500 shares of stock in the account. The margin requirement to write the

This system of linear inequalities can be used to find the possible heights, in inches, of Darius, d, and his brother William, w. d ≥ 36;w < 68;d ≤ 4 + 2w Wh

Progressive journalists who reported on society's problems were called: O A. Coalsifters. O B. Yellow journalists. O C. Muckrakers. O D. Paparazzi.

Fill in the blank in the following sentence with the appropriate presentprogressive verb below.El bebéla siesta plácidamente.O A. está dormidoO B. durmiendoO C.

Which of the following items is one of the ten essentials A. Soap B. Camp stove C. Matches D. Binoculars

The sum of three consecutive multiples of 7 is 777 find these multiples

PLEaSE HELP!!!!!! will give brainliest to first answer