Questions with verified Answers| Graded A+
1) A sequence is increasing of... - Correct Answer ✅💯Uₙ₊₁ > Uₙ
2) Arc Length Formula - Correct Answer ✅💯rθ
3) arccos(x) - Correct Answer ✅💯
4) arcsin(x) - Correct Answer ✅💯
5) arctan(x) - Correct Answer ✅💯
6) Area of a circle - Correct Answer ✅💯A = πr²
7) Area of a trapezium - Correct Answer ✅💯A = 1/2 (a + b) h
8) Area of a triangle - Correct Answer ✅💯1/2 ab sinC
9) arithmetic sequence - Correct Answer ✅💯
10) Arithmetic sequence notation - Correct Answer ✅💯4
11) ∑ 5r +2 (=7+12+17+22)
12) r=1
13) Circumference of a circle - Correct Answer ✅💯C = 2πr
= πd
14) Converge - Correct Answer ✅💯A sequence converges
when the terms approach a limiting value (the difference
between each term decrease)
15) Converge or Diverge? - Correct Answer ✅💯If the
gradient m of the curve at the root is such that
− 1 < m < 1, then you can converge upon that root.
16) Otherwise, you have divergence.
17) cos 2θ - Correct Answer ✅💯
18) Cosec graph - Correct Answer ✅💯
19) cosec θ - Correct Answer ✅💯1/sin θ
20) Cosine graph - Correct Answer ✅💯
21) cosine rule - Correct Answer ✅💯a² = b² + c² - 2bcCosA
22) cosine rule for angle - Correct Answer ✅💯
23) Cot graph - Correct Answer ✅💯
24) cot θ - Correct Answer ✅💯1/tan θ = cos θ/sin θ
25) Discriminant for no real roots - Correct Answer ✅💯