A little trigonometry to figure out the area of a triangle
Trigonometry and geometry to find the area of an equilateral (but not regular) hexagon
Sequence from the product of 2 arithmetic sequences
Venn diagrams and the addition rule for probability
Figuring out the formula for fixed mortgage payments using the sum of a geometric series
Algebra and Trigonometry provides a comprehensive exploration of algebraic principles and meets scope and sequence requirements for a typical introductory algebra and trigonometry course. The modular approach and the richness of content ensures that the book meets the needs of a variety of courses. Algebra and Trigonometry offers a wealth of examples with detailed, conceptual explanations, building a strong foundation in the material before asking students to apply what they’ve learned.
Another way to prove the expression for the sum of all positive integers up to and including n
This video is from the Khan Academy subject of Math on the topic of Trigonometry and precalculus and it covers Arithmetic sequences.
Argand Diagram, magnitude, modulus, argument, exponential form
An introduction to probability
Introduction to trigonometry
A few more examples using SOH CAH TOA
The probability that at least 2 people in a room of 30 share the same birthday.
College Algebra provides a comprehensive exploration of algebraic principles and meets scope and sequence requirements for a typical introductory algebra course. The modular approach and richness of content ensure that the book meets the needs of a variety of courses. College Algebra offers a wealth of examples with detailed, conceptual explanations, building a strong foundation in the material before asking students to apply what theyve learned.
This video is from the Khan Academy subject of Math on the topic of Trigonometry and precalculus and it covers Comparing features of functions 2 (example 1).
This video is from the Khan Academy subject of Math on the topic of Trigonometry and precalculus and it covers Comparing features of functions 2 (example 2).
This video is from the Khan Academy subject of Math on the topic of Trigonometry and precalculus and it covers Comparing features of functions 2 (example 3).
Complex Conjugates
2010 IIT JEE Paper 1 Problem 53 Complex Determinant
Probability of particular sequences of flips