VIDEO
Sine
Trigonometric functions, like sine, cosine, and tangent, help solve right triangles. Learn all about sine and how to use it in math calculations here!
ADDITIONAL RESOURCES:
Practice Questions
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EXAM OVERVIEW
PTCB
PTCB® Practice Test
Get our PTCB practice test questions. Learn more about the PTCB exam and the pharmacy technician certification process. Visit today!
VIDEO
Divisibility Tests
Testing a number's divisibility is easy when you learn specific rules that quickly determine it. Learn the most common principles and practice for easier math!
ADDITIONAL RESOURCES:
Practice Questions
VIDEO
Developmental Screening Strategies
Identifying appropriate evaluation strategies when coming across a child who shows signs of a learning disability is important. Click here for instructions!
VIDEO
SCIENCE
The Moon
In this video, we will learn about Earth’s only natural satellite and understand why it was studied for centuries. Let’s get started!
VIDEO
Oxidation-Reduction Reactions
Redox reactions are commonplace and involve the transfer of electrons to reduce one reagent and oxidize another. Understand these reactions with examples!
VIDEO
What is Friction?
Friction is a type of resistance that one object encounters when moving over a surface. Learn more about the friction model with various examples here!
VIDEO
What is a Punnett Square?
Punnett Squares are small or large charts that clarify and predict genetic outcomes in biology. Learn more about alleles, phenotypes, and genotypes here!
VIDEO
Toxicity Reversal Agents
Toxicity reversal agents can stop or mitigate the effects of overdosage of toxic substances or illegal drugs. Learn about common and life-saving reversals here!
VIDEO
Sequence
When reading anything, the context of an event within the plot is important for understanding. Learn to utilize sequence words for clear flow and order in stories!
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Fact Sheet