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Math 1T
Summary of book
Question | Answer |
---|---|
What is the order of operations? | Brackets, powers, multiplication and devision, addition and subtraction |
What is scientific notation? | Written in the form: a*10^n , where n is a whole number and a∈[1,10] |
abc-formula? | x=(-b±√b^2-4ac)/2a |
Sin= | opposite/hypotenuse |
Cos= | adjacent/hypotenuse |
Tan= | opposite/adjacent |
Area formula? | T=(1/2)∙b∙c∙sinA |
Sine rule | (sinA/A)=(sinB/B)=(sinC/C) (A/sinA)=(B/sinB)=(C/sinC) |
Cosine rule | a^2 = b^2+c^2 – 2bc cosA b^2 = a^2+c^2 – 2ac cosB c^2 = a^2+b^2 – 2ab cosC |