Trig identities Study guides, Class notes & Summaries
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Engineering math 115 Combination & transformation of functions, Trig identities
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These notes are in a pdf format. 
- colour coded 
- step-by-step examples for each topic 
The notes cover the topic: Combination of functions, Transformation of functions, Trig identities
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Trig Identities Questions with Rationale 2024
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Trig Identities Questions with Rationale 2024 
reciprocal identities 
1. sinB=1/cscB 
2. cosB= 1/secB 
3. tanB= 1/cotB 
4. cscB= 1/sinB 
5. secB=1/cosB 
6. cotB=1/tanB 
 
 
 
quotient identities 
1. sinB/cosB=tanB 
2. cosB/sinB=cotB 
 
 
 
 
Brainpower 
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pythagorean identities 
1. sin^2B+cos^2B=1 
2. tan^2B+1=sec^2B 
3. cot^2B+1=csc^2B 
 
 
 
odd-even identities 
1. sin(-B)=-sinB 
2. c...
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Trig Identities study guide solution
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Trig Identities study guide solution
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Trig Identities study guide solution
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Trig Identities study guide solution
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Mathematics 114
- Summary • 32 pages • 2022
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A summary of all the concepts covered in the semester. It includes all the formulas, rules and proofs necessary to understand the concepts covered in the module.
Make study stress less painful
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Calc I test Review (Basic Algebra, Graphing and Composition, Trig Identities, and Trig Graphs)
- Summary • 4 pages • 2022
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This summary contains topics for the first test of the year. It covers topics like Basic Algebra, Graphing and Composition, Trig Identities and their inverses, and Trig Graphs with examples.
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CSU Math Placement Exam with verified solutions 2024
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slope-intercept form 
y = mx + b 
 
 
 
slope formula 
m = (y₂- y₁) / (x₂- x₁) 
 
 
 
point slope form 
y - y₁ = m(x - x₁) 
 
 
 
standard form 
Ax + By = C 
 
 
 
distance formula 
d = √[( x₂ - x₁)² + (y₂ - y₁)²] 
 
 
 
equation of a circle 
(x - h)² + (y - k)² = r² 
where (h,k) is the center and r is the radius 
 
 
 
absolute value piece wise function 
|x| = { x if x >or= 0 
{ -x if x < 0 
 
 
 
FOIL 
First, Outer, Inner, Last 
 
 
 
what does i equal? 
square...
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Accuplacer Exam 136 Questions with Verified Answers,100% CORRECT
- Exam (elaborations) • 19 pages • 2023
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Accuplacer Exam 136 Questions with Verified Answers 
 
Define - "ordered pairs" - CORRECT ANSWER = (x, y) 
= a single point on a coordinate plane 
 
Define - "origin" - CORRECT ANSWER = (0,0) 
= the point where two axes meet 
 
Explain - "quadrants" - CORRECT ANSWER = when the two axes (x and y) cross they form 4 quadrants 
 
Explain what - "the distance" means 
Define - "distance formula" for a line(s) - CORRECT ANSWER = "distance" - the length between two points on a plane - (x1...
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Precalc: trig identities
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Precalc: trig identities
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SDSU MATH PLACEMENT ASSESSMENT FORMULAS WITH COMPLETE SOLUTIONS 100% 2023/2024
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SDSU MATH PLACEMENT ASSESSMENT FORMULAS WITH COMPLETE SOLUTIONS 100% 2023/2024 
vertex 
-b/2a 
 
 
domain and range 
(-∞ ,∞) 
and brackets for numbers for sure or equal to [ , ] 
parentheses for < or > or infinity 
 
 
end behavior 
odd: different- positive: falls left, rises right; negative: rises left, falls right 
 
even: same- positive: rises x2; negative: falls x2 
 
 
polynomial division 
answer+ (remainder/divison) 
 
 
quadratic formula 
-b±[√b²-4ac]/2a 
 
 
Vertical asympt...
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