
posted by Steve
Respond to this Question
Similar Questions

Trig.
sec^2xcotxcotx=tanx (1/cos)^2 times (1/tan)(1/tan)=tan (1/cos^2) times (2/tan)=tan (2/cos^2tan)times tan=tan(tan) sq. root of (2/cos^2)= sq. root of (tan^2) sq. root of (2i)/cos=tan I'm not sure if I did this right. If I 
MathTrigonometry
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 
Trigonometry
Find the exact value of tan(ab) sin a = 4/5, 3pi/2 
Trig
4tan^2u1=tan^2u 3tan^2u=1 tan^2u=1/3 sq. root of (tan^2u)=sq. root of (1/3) tanu=sq. root of (3)/3 tanu=sq. root of 1 Did I do this one right? If not, could you please show me the correct method?? Thanks! 
TrigWeird Geometry Problem
Determine all triangles ABC for which tan(AB)+tan(BC)+tan(CA)=0. There's a hint: "Can you relate AB to BC and CA?" Should I apply the tangent difference formula (tan(xy))? Help would be appreciated, thanks. 
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 
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] 
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 1second intervals. If three successive readings are t (s) 9 10 11 α 54.80◦ 54.06◦ 53.34◦ β 
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 
PreCal
Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. (tan(74°)tan(14°))/(1+tan(74°)tan(14°)) =__________ Find it's exact value (not decimal form) =__________ Note: A