(2) In the following triangle below, the degree measures of the three interior angles and two of the exterior angles are represented with variables and expressions. (a) Find the size of each of the interior angle. 2x - 5 2x + 5
(2) In the following triangle below, the degree measures of the three interior angles and two of the exterior angles are represented with variables and expressions. (a) Find the size of each of the interior angle. 2x - 5 2x + 5
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter1: The Six Trigonometric Functions
Section1.1: Angles, Degrees, And Special Triangles
Problem 29PS: Geometry An isosceles triangle is a triangle in which two sides are equal in length. The angle...
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Transcribed Image Text:Mathematics for the Social Sciences 1, ECON1003 – Course Guide, Academic Year 2020/2021 - Semester 2
(2) In the following triangle below, the degree measures of the three interior angles and two
of the exterior angles are represented with variables and expressions.
(a) Find the size of each of the interior angle.
2x - 5
2x + 5
![Problem Set D
(1) A course repeater claims that his brother who did some Calculus at college years ago, but
currently on some cough medication, believes that the first derivative of
(2x? – 1)(x² + 3),
f(x) =
[(2x² – 1)(x² + 3)
2х
+
x2 + 3
-
4x
2х
is f'(x) =
%3D
x2 + 1
[2x² – 1
x2 + 1,
x2 + 1
and
(x² + 8)7
is g'(x) =
- 3x²)5
Using the product, qoutient and chain rules you learnt in Unit 7 of this Course, could you
14x
30x
(x² + 8)7
that the first derivative of g(x)
%3D
(2 –
lx² + 8
2 – 3x2
[(2 – 3x²)5]
confirm whether his brother is right, wrong or a little tipsy.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fad0ebfe9-34e5-496e-87e2-1620f8a73549%2Fcc862640-a626-4beb-8450-005bf6c513d5%2Fwohc88fa_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Problem Set D
(1) A course repeater claims that his brother who did some Calculus at college years ago, but
currently on some cough medication, believes that the first derivative of
(2x? – 1)(x² + 3),
f(x) =
[(2x² – 1)(x² + 3)
2х
+
x2 + 3
-
4x
2х
is f'(x) =
%3D
x2 + 1
[2x² – 1
x2 + 1,
x2 + 1
and
(x² + 8)7
is g'(x) =
- 3x²)5
Using the product, qoutient and chain rules you learnt in Unit 7 of this Course, could you
14x
30x
(x² + 8)7
that the first derivative of g(x)
%3D
(2 –
lx² + 8
2 – 3x2
[(2 – 3x²)5]
confirm whether his brother is right, wrong or a little tipsy.
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