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### Latest From the Math Blog

## MATH 135 Waterloo

MATH 135 (Algebra for Honours Mathematics) is one of the most difficult first-year courses at the University of Waterloo. This course covers the following topics: To be successful in MATH 135 you really need to know the theorems, definitions and methods very well. The proofs are the most important part of Math 135. If you… Continue reading →

## Half angle formula

Trig identities are crucial part of trig functions and one of the most important identities in trigonometric functions is the half angle formula. In this post, we talked about different trig identities and formulas. First we recommend to visit the previous posts to review identities, including the double angle formula. Here we talk about half… Continue reading →

## Double Angle Formula

In trigonometry, it is really important to know and able to use identities. One of the main and crucial categories of identities is Double Angle Formula. In this post, we talked about different trig identities and formulas. Double Angle Formulas are trigonometric identities that simplify a trigonometric function of $2x$ as of trigonometric functions of… Continue reading →

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