# Trig

What is the total number of solutions for the equation 3 tan^2 A + tan A – 2 = 0 in the interval. 0 ≤ A ≤ π?

1. 👍 0
2. 👎 0
3. 👁 50
1. you have two solutions for tanA, one positive, one negative.

So, there are two values for A, one in each QI, one in QII.

1. 👍 0
2. 👎 0
posted by Steve

## Similar Questions

1. ### Trigonometry

Find the exact value of tan(a-b) sin a = 4/5, -3pi/2

asked by Dee on November 8, 2010
2. ### Math-Trigonometry

Show that if A, B, and C are the angles of an acute triangle, then tan A + tan B + tan C = tan A tan B tan C. I tried drawing perpendiculars and stuff but it doesn't seem to work? For me, the trig identities don't seem to plug in

asked by Sam on November 6, 2013
3. ### trig

h t t p : / / i m g 4 0 . i m a g e s h a c k . u s / c o n t e n t . p h p ? p a g e = d o n e& l = i m g 4 0 / 1 4 8 / a s d a s d y e . j p g & v i a = m u p l o a d (def of tan theta = a^-1 o)a = o opposite = adjacent tan

asked by trig on September 6, 2009
4. ### mechanics (calculating plane speed and climb angle

Two radar stations A and B, are separated by the distance a = 500 m, track the plane C by recording the angles α and β at 1-second intervals. If three successive readings are t (s) 9 10 11 α 54.80◦ 54.06◦ 53.34◦ β

asked by royston on November 10, 2012
5. ### Maths- complex numbers

Find tan(3 theta) in terms of tan theta Use the formula tan (a + b) = (tan a + tan b)/[1 - tan a tan b) in two steps. First, let a = b = theta and get a formula for tan (2 theta). tan (2 theta) = 2 tan theta/[(1 - tan theta)^2]

asked by Jake on February 13, 2007
6. ### Trigonometry

Hello, everyone: I am working on finding the exact values of angles that are less common and are therefor not found easily on the Unit Circle (at least, they are not labeled). For example, the problem I am asking about is: 10)

asked by Timothy on March 17, 2008
7. ### Solving Trig equation

Solve the trig equation exactly in the interval 0≤x≤2π. tan x + tan π/3 ------------------ = square root 3 1 - tan x tan π/3

asked by Anonymous on April 27, 2012
8. ### Integration

Intergrate ¡ì sec^3(x) dx could anybody please check this answer. are the steps correct? thanks. = ¡ì sec x d tan x = sec x tan x - ¡ì tan x d sec x = sec x tan x - ¡ì sec x tan^2(x) dx = sec x tan x + ¡ì sec x dx - ¡ì

asked by Vidal on October 15, 2006
9. ### Math (Pre-Calc)

Find all the solutions of the equation in the interval {o,2pi) 5sqrt3 tan x+3=8sqrt3 tan x

asked by Fiona on February 8, 2015
10. ### Trigonometric

tan^2 x − 7 tan x − 8 = 0 Use inverse functions where needed to find all solutions of the equation in the interval [0, 2π).

asked by Diana on March 16, 2015

More Similar Questions