# math

Give that x is angle in the first quadrant such that 8sin 2x + 2cosx – 5 = 0
Find:
cosx
tanx

1. 👍 0
2. 👎 0
3. 👁 152

## Similar Questions

1. ### Linear Functions

If m < 0 and b > 0, the graph of y = mx + b does not pass through which quadrant? Quadrant I Quadrant II Quadrant III Quadrant IV

asked by :) on May 9, 2015
2. ### Math/Physics

Find the magnitude of the resultant force and the angle it makes with the positive x-axis. (Let |a| = 30 lb and |b| = 16 lb. Round your answers to one decimal place.) lal point upward as a 45 degree angle on the first quadrant lbl

asked by #1 on July 22, 2019
3. ### Pre calc

sin(θ + ϕ); sin(θ) = 5/13 θ in Quadrant I, cos(ϕ) = − 2root 5 over 5 ϕ in Quadrant II please give final answer this is bc i have a lot of trouble simplifying the final answer thank you

asked by Andy on April 11, 2017
4. ### precalculus

Solve 8sin(pi/4x) = 6 for the four smallest positive solutions Give your answers accurate to at least two decimal places, as a list separated by commas.

asked by Anonymous on April 7, 2013
5. ### Trigonometry

Angle x is a third quadrant angle such that cos x = -(2/3). What is the exact value of cos (x/2) ? Solve in simplest radical form.

asked by Kayla on March 5, 2020
1. ### math

asked by Kevin on May 21, 2014
2. ### MATH! Help sooo confused!

Consider that point A is located at (x, y) in Quadrant I of the coordinate plane. In which quadrant is point B with coordinates (-x, y) located A)Quadrant I B) Quadrant II C) Quadrant III D) Quadrant IV How do I even find this

asked by Haley on May 17, 2017
3. ### science (physics) Need to solve this today please

(a) Express the vectors A, B, and C in the figure below in terms of unit vectors. (b) Use unit vector notation to find the vectors R = A + B + C and S = C – A – B. (c) What are the magnitude and directions of vectors R and S?

asked by ~christina~ on September 29, 2007