Table of Contents

**How do you find the sum of a product pattern?**

**What is the product and sum?**

SUM –

**The sum is the result of adding two or more numbers**. DIFFERENCE – The difference of two numbers is the result of subtracting these two numbers. PRODUCT – The product of two or more numbers is the result of multiplying these numbers.**What do you mean by sum?**

(Entry 1 of 3) 1 :

**an indefinite or specified amount of money**. 2 : the whole amount : aggregate. 3 : the utmost degree : summit reached the sum of human happiness.**What is the sum or difference formula?**

Key Equations

Sum Formula for Cosine | cos(α+β)=cosαcosβ−sinαsinβ |
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Sum Formula for Sine | sin(α+β)=sinαcosβ+cosαsinβ |

Difference Formula for Sine | sin(α−β)=sinαcosβ−cosαsinβ |

Sum Formula for Tangent | tan(α+β)=tanα+tanβ1−tanαtanβ |

Difference Formula for Tangent | cos(α−β)=cosαcosβ+sinαsinβ |