ariahafridah ariahafridah

10-12-2022
Mathematics

Answered

The first three terms of an arithmetic progression are 2 sin x, 3 cos x and (sin.x + 2 cos x) respectively, where x is an acute angle.
(i) Show that tanx = 4/3
(ii) Find the sum of the first twenty terms of the progression.

Answer :

Other Questions

Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle. CSC 23° - The choices: -sin 67° -sec 23° -C

32 Enter the correct answer in the box. What is the standard form polynomial representing the volume of this shipping container? ala e 10 4x² + 3x (0) 101 3 + x

The first several numbers in a pattern write an equation that can determine the 9nth term7,8 1/2, 10, 11 1/2, 13, 14 1/2, 16

Fine f(x) and find the equation of the the line tangent to the graph of f at the indicated value of x. Find the value of x where the tangent line is horizontal.

The table represents some points on the graph of linear function, f. Which function represents f? x -3 2 5 11 f(x) -130 0 78 234 What is the equation in slope i

A particle travels in a straight line from A to B in 20s. Its acceleration t seconds after leaving A is ms^(-2), where a=(3)/(160)t^(2)-(1)/(800)t^(3). It is gi

point(s) possible K Write the standard form of the equation and the general form of the equation of the circle of radius r and center (h,k). Graph the circle. r

Find the equation of the line tangent to the graph of f at the indicated value of x

For f(x)=6x and g(x)=x+2, find the following functions. A. (f∘g)(x); b. (g∘f)(x); c. (f∘g)(2); d. (g∘f)(2)

Give the POINT SLOPE equation of the line that contains: f(-1) = -7 and f(3) = -6.