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0:14:10

Squeeze Theorem - A Tricky Question - Calculus

0:20:10

A Tricky Question using Sum and Difference Formula for Trigonometric Functions

0:14:15

Sum-to-product formulas - How to use Sum to Product Formulas

0:08:25

Triple Angle Formulas - Deriving the Triple angle formula for sine and cosine

0:32:55

Proof of arcsin x +arccos x = pi/2 - Three different methods for Proof

0:18:16

Sum-to-product formulas - How to use Sum to Product Formulas

0:16:00

Product-to-Sum formulas - How to use Product-to-Sum formulas

0:56:10

Proving Trigonometric Identities Using Double-angle Identities- Double-Angle Formulas

0:17:05

Using Double-angle Identities to find the Exact Value - Double Angle Formulas

0:34:25

Simplify Trigonometric Expressions Using Double-angle Identities- Double-Angle Formulas

0:12:20

Proof of Double-angle Identities - Proving Double-angle identities using Sum Identities

0:28:10

Evaluating Expressions Involving Inverse Trigonometric Functions Using Sum and Difference Formula

0:33:51

Intro to Sum and Difference Formula for Trigonometric Functions - Simplify, Evaluate and Prove

0:25:06

Using Sum and Difference Formula to Find Exact Value - Using Addition and Subtraction Formulas

0:39:55

Proving Trigonometric Identities Using Basic Trigonometric Identities - A little Hard Examples

0:16:55

Proving Trigonometric Identities involving other Functions

0:44:15

Proving Trigonometric Identities Using Basic Trigonometric Identities

0:48:00

Simplifying Trigonometric Expressions Using Basic Trigonometric Identities

0:42:40

Sigma Notation - How to Write Sums in Sigma notation

0:28:31

Completing the Square - Solving Quadratic Equations by Completing the Square

0:30:36

Factoring Method - Using Factoring Method to solve Quadratic Equations

0:23:21

Quadratic Formula - Using Quadratic formula to solve Quadratic Equations

0:20:41

Geometric Series - Some Hard Examples - Calculus

0:15:50

Discriminant of Quadratic Equations - How to use discriminant to Determine Number of Real Solutions