TOPICS
This page:
trigonometry
Search
Dr. Math
See also the
Dr. Math FAQ:
trigonometry formulas
See also the
Internet Library:
trigonometry
HIGH SCHOOL
About Math
Analysis
Algebra
basic algebra
equations/graphs/
translations
linear algebra
linear equations
polynomials
Calculus
Complex Numbers
Calculators/
Computers
Definitions
Discrete Math
permutations/
combinations
Exponents
Logarithms
Fibonacci Sequence/
Golden Ratio
Fractals
Functions
Geometry
Euclidean/plane
conic sections/
circles
constructions
coordinate plane
triangles/polygons
higherdimensional
polyhedra
nonEuclidean
practical geometry
symmetry/tessellations
History/Biography
Interest
Logic
Negative Numbers
Number Theory
Physics/Chemistry
Probability
Projects
Puzzles
Sequences/Series
Sets
Square/Cube Roots
Statistics
Transcendental
Numbers
Trigonometry

Browse High School Trigonometry
Stars indicate particularly interesting answers or
good places to begin browsing.
Selected answers to common questions:
DeMoivre's theorem.
Volume of a tank.
 Verifying Trigonometric Identities [07/12/2002]

How do you verify a trigonometric identity?
 Verify the Identity [04/17/2003]

Verify the identity: (csc x)/(tan x + cot x) = cos x.
 Vertices of an Octagon [10/29/1996]

Find the coordinates of the vertices of an octagon with center (0,0) when
it is inscribed in a square.
 What Is the Length of PR? [01/01/2003]

In a circle of radius 6, a triangle PQR is drawn having QR=8 and
PQ=10.
 What is the Longest Pole? [04/04/1999]

A metal pole L ft long is pushed on the floor from one corridor into
another corridor at a right angle...
 What is the Relation between tan and tanh? [08/25/2001]

I want to know the relation between tangent and hyperbolic tangent.
 What is Trigonometry? [8/20/1996]

What is trigonometry, and what is it used for?
 What's 'Arccos'? [06/17/2001]

I'm trying to write a program in Visual Basic 6 about the distance
calculation between two cities.
 When to Use Law of Sines or Law of Cosines [02/01/2006]

When do we use the law of sines as opposed to the law of cosines?
 Where Will the Runners Meet? [03/29/1999]

Two runners, A and B, start 90 degrees away from each other on a circular
track and run at the same speed. If Runner B decides to cut across the
track, where will they meet?
 Which Side is Longer? [1/27/1995]

You are given a quadrilateral, ABCD, with diagonal DB, angle ADC = 90,
angle DBC = 43, angle C = 91, side AD = 9, side DC = 9. Find which is
longer AB or AD.
 Why does a/SinA = b/SinB = c/SinC? [08/12/1997]

I was just playing aroung with a proof of a triangle and came across the
fact that a/SinA = b/SinB = c/SinC. Why?
 Why Radians? [12/03/1997]

Why use radians to measure angles over degrees?
 Why Use Radians instead of Degrees? [09/25/2001]

Consider Maclaurin's theorem, from which we derive the Taylor series...
 Will the Tree Hit the House? [05/18/1999]

A tree is leaning at 70 degrees, our house is 66 1/2 feet away, and the
angle from our house to the top of the tree is 40 degrees...
 X = TanX [03/21/2001]

Show that x = tanx has an infinite number of solutions.
Page: [<prev]
1
2
3
4
5
6
7
8
9
10
11
12
13
