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Jump to key moments of Finding Exact Value Using Sum and Difference Formulas
19:25
From 0:00
Introduction to Sum and Difference Formulas
Sum and Difference Formulas for Sine, Cosine, and Tangent to Find Exact Val
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4:42
From 03:01
Using the Cosine Formula
Using sum and difference formula to find the exact value with cosine
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Finding the Exact Value of 165
Sum and Difference Formulas (Find the Exact Value): Ex 3
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Eric Hutchinson (Hutchmath)
9:16
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Example 1: Finding Exact Value of 105°
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Steve Crow
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From 00:38
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Using Sine Sum and Difference Identities to Find Exact Values
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Simplifying Using Unit Circle
How to use the sum and difference formula for tangent
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Brian McLogan
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