I am doing study island and am stuck on this problem. I have to find X.

I am doing study island and am stuck on this problem. I have to find X.

A table might help

The depth of water in a certain area can be estimated by using this equation: h(t)=-4.3cos(pi/6.35(t+1.6))+8.4 A boat requires a depth of 7.2 m to ensure safe...

Proving identities

A) sin(2x) B)cos(2x) c) tan(2x)

QUESTION 3 ONLY : https://dl2.pushbulletusercontent.com/fVBs4G3IBTebCiBeZhjVJKpzRFTXjvtu/IMG_20170926_211422_HDR.jpg

If you are given 3 sides of a triangle, explain how you would find all three angles?

Kevin is riding a mini Ferris wheel. He reaches the maximum height of 9m at 5s and then reaches the minimum height of 1m at 65s. a.What is the period (the length of time to complete one cycle)...

I have a graph which needs the equation found in a sin(b(x-h))+k form. here is the graph: http://imgur.com/a/U0Bls Please help asap

If sin(x) = 1/8 and x is in quadrant I, find the exact values of the expressions without solving for x. a) sin(2x) b) cos(2x) c) tan(2x)

tan(x) − 2 sin(x) tan(x) = 0

Let f(x) = sin3x + cos3x (tan x) Show that f(x) = sin x Thank you for your time!

The displacement function d(t) is a combination of functions: d(t) =5 f(t)g(t)+r. Consider the following situation: • The mass is at a resting position of r = 30 cm. • The spring provides a period...

Find the value of cos (angle) in (angle) is in standard position and the point (5,-12) is on the terminal side of (angle). b) -5/13 c) 5/13 The correct answer is C, but I chose B...

trig problem using the unit circle for

Given that cosθ=-4/√53 and that the terminal side is in quadrant II, find the length of the third leg and the other five trigonometric function values.

Describe the transformations that have taken place for the graph g(x)=cosx to become the graph h(x)=-2cos(pi*x + pi/4).

Using only the double angle identities how to solve for this? im stucked after 2cos^2 (2x) -1

if tan ( Arc cos (square root of 3)/k) =(square root of 3)/3 then k is? the square root is only on 3, in both cases, not on the 3 on the bottom or k on the bottom.

If 0≤α≤π and 0≤β≤π meets α+β=2/3π and sin α=2sinβ,the value of tan(α-β)=... A.1 B.square root 2 C.2-(square root 3) D.square root 3 E.2+(square root 3) A...