Cosine rule - Study guides, Study notes & Summaries

area of a circle surface area of a sphere surface area of a cone πr x slanted length x πr^2 volume of cone volume of a sphere area of trapezium 1/2(a+b) x height circumference of a circle π x d volume of a cuboid l x w x h volume of a cylinder volume of a pyramid 1/3 x area of base x h distance speed x time density mass/volume pressure force/area Pythagoras' Theorem a^2 + b^2 = c^2 Quadratic equation when ax^2 + bx + c = 0 Sine rule a/sinA = ...

Includes in depth summary of the key topic, starter questions and exam style questions. Great for teaching material as well as efficient revision practice. Topic include: Trigonometry Covers: -Trigonometric ratios - Sine rule - Cosine rule - Area - Exam questions Applicable for all exam boards (in particular Edexcel/Pearson & AQA).

Constant Rule - ANSWER-d/dx [c] = 0 Constant Multiple Rule - ANSWER-d/dx [cf(x)]=cf'(x) Sum Rule - ANSWER-d/dx [f(x)+g(x)] = f'(x)+g'(x) Difference Rule - ANSWER-d/dx [f(x)-g(x)] = f'(x)-g'(x) Product Rule - ANSWER-d/dx [f(x)*g(x)] = f(x)g'(x) + f'(x)g(x) Quotient Rule - ANSWER-d/dx [f(x)/g(x)] = [g(x)f'(x) - g'(x)f(x)]/[g(x)²] Chain Rule - ANSWER-d/dx [f(g(x)] = f'(g(x))*g'(x) Power Rule - ANSWER-d/dx[xⁿ]=nxⁿ⁻¹ Definition of the number e - ANSWER-d/dx[...

Area of a rectangle - correct answer Length x width Area of a parallelogram - correct answer base x height Area of a triangle - correct answer 1/2 x base x height Area of a trapezium - correct answer 1/2(a+b)h Volume of a cuboid - correct answer length ...

Edexcel A Level Maths - Pure QUESTIONS AND ANSWERS 100% VERIFIED A+ GUARANTEED Cosine Rule - Know 2 sides, and the angle in between. You want the missing side. Cosine Rule - Know 3 sides. You want an angle. Sine Rule - Know 2 angles and a side. You want the missing side. Sine Rule - Know 2 sides and an angle. You want a missing angle. Midpoint of a line segment on a circle. Equation of a circle with centre (0,0) Equation of a circle with centre (a,b) Arithmetic nth Term Arithmetic Serie...

GCSE Edexcel Maths Higher Exam With 100% Correct And Verified Answers 2024

CLEET Certification Test Review - Questions with Verified Answers A crime may be defined as... A public offense, forbidden, which the government sanctions. A suspect may invoke his/her right to counsel or right to remain silent when? At any time during the investigation. A self-incriminatory statement by a subject, falling short of a complete acknowledgement of guilt is known as what? Admission Ted broke into Sally's at 0730 while Sally was sleeping. While in the apartment, Ted intentionally...

CLEP Precalculus QUESTIONS AND CORRECT PASSED ANSWERS 2023/2024 sin^2(x) + cos^2(x) - correct answer 1 tan^2(x) + 1 - correct answer sec^2(x) 1 + cot^2(x) - correct answer csc^2(x) tan(x) - correct answer sin(x)/cos(x) cos(x)/sin(x) - correct answer cot(x) sec(x) - correct answer 1/cos(x) csc(x) - correct answer 1/sin(x) cot(x) - correct answer 1/tan(x) sin(2x) - correct answer 2sin(x)cos(x) cos(2x) - correct answer cos^2(x)-sin^2(x) 1...

The quadratic formula Correct Answer x = -b±√(b2-4ac) all over 2a Circumference of a circle [r = radius, d = diameter] Correct Answer 2πr = πd Area of a circle [r = radius, d = diameter] Correct Answer πr^2 (Pi R squared) - π×r×r Pythagoras' theorem Correct Answer In any right-angled triangle where a, b and c are lengths of the sides and c is the hypotenuse, use: a^2 + b^2 = c^2 Trigonometry formulae Correct Answer In any right-angled triangle ABC where a , b and c are leng...

Quadratic Formula - ANS-x = -b ± √(b² - 4ac)/2a Pythagorean Theorem - ANS-a²+b²=c² (a^x)(a^y) - ANS-a^(x + y) a^x / a^y - ANS-a^(x - y) (a^x)^y - ANS-a^xy x = a^n - ANS-n = logA(x) logAx + logAy - ANS-logA(xy) kloga(x) - ANS-loga(x^k) straight line formula - ANS-(y - y1) = m(x-x1) perpendicular gradients are... - ANS-negative reciprocals General term of AP - ANS-Un = a + (n-1)d General term of GP - ANS-Un = ar^n-1 Sine rule - ANS-a/sinA = b/sinB = c/sinC Cosine rule - ANS-a²...