Directions : Factor each of the following Differences of two squares and write your answer together with solution​

Step-by-step explanation:

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Factor each of the following differences of two squares and write your answer together with solution.

Rewrite . The difference of squares can be factored using the rule:.

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Rewrite 49-x² as 7²-x². The difference of squares can be factored using the rule: .

Reorder the terms.

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Rewrite 81-c²as 9²-c². The difference of squares can be factored using the rule: .

Reorder the terms.

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Rewrite m²n² - 1 as . The difference of squares can be factored using the rule: .

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step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2