9893
EXPLORE
LATEST
ABOUT
AUTHORING AREA
PARTICIPATE
Your browser does not support JavaScript or it may be disabled!
sin(t)=cos(pi/2-t)
The identity
is easily proved by forming a rectangle using two identical right triangles. This Demonstration compares the curves
and
. The curves align when
.
Contributed by:
Jon Perry
SNAPSHOTS
RELATED LINKS
Cosine
(
Wolfram
MathWorld
)
Sine
(
Wolfram
MathWorld
)
SOHCAHTOA
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
sin(t)=cos(pi/2-t)
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/SinTCosPi2T/
Contributed by:
Jon Perry
Share:
Embed Interactive Demonstration
New!
Just copy and paste this snippet of JavaScript code into your website or blog to put the live Demonstration on your site.
More details »
Download Demonstration as CDF »
Download Author Code »
(preview »)
Files require
Wolfram
CDF Player
or
Mathematica
.
Related Demonstrations
More by Author
De Moivre's Theorem for Trig Identities
Michael Croucher
A Proof of the Difference Identity for Cosine
Eric Schulz
Sin/Cos Function Game
Izidor Hafner
Binomial Cube
Sayra Gutiérrez
Triangle Altitudes and Inradius
Jay Warendorff
Binomial Theorem (Step-by-Step)
Bruce Colletti
Binary Operators Satisfying Two Axioms
Michael Schreiber
Laws of Exponents
George Beck
Difference of Cubes
George Beck
Difference of Squares
George Beck
Related Topics
Identities
Trigonometric Functions
High School Algebra II and Trigonometry
High School Mathematics
Browse all topics
Related Curriculum Standards
US Common Core State Standards, Mathematics
HSF-BF.B.3
HSF-IF.C.7
Note: To run this Demonstration you need Mathematica 7+ or the free Mathematica Player 7EX
Download or upgrade to
Mathematica Player 7EX
I already have
Mathematica Player
or
Mathematica 7+