PROVING TRIGONOMETRIC IDENTITIES (BASIC) IN FILIPINO | TRIGONOMETRY
Channel: Numberbender
Date: 2013-11-23

Lesson on proving trigonometric equations using trigonometric identities. To prove a trigonometric equation, it must be shown that the left side is the same as the right side. To do that, using the necessary trigonometric identities and algebraic methods are needed. 

1:07 sincot = cos
2:09 tanB + cotB = secBcscB

ENGLISH VERSION: https://youtu.be/VURwzdkHxHg

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