Document 47k

Extremely useful cheat sheet from Paul Dawkins, Math Professor at Lamar University in Beaumont, Texas. This one covers Trig formulas. ...

Document 47k

Extremely useful cheat sheet from Paul Dawkins, Math Professor at Lamar University in Beaumont, Texas. This one covers Trig formulas. ...

Document 679k

I create cheat sheets after giving the same lesson over and over again. This one shows trigonometry proofs, starting with the basics and...

Document 309k

I create cheat sheets after giving the same lesson over and over again. This one covers trigonometry, including sine, cosine, and their...

Document 1.09MB

I create cheat sheets after giving the same lesson over and over again. This one covers Pre-AP Pre-Calculus equations.

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the high temperature of 70 degrees occurs at 4 PM and the average temperature for the day is 60 degrees. Find...

Use the given value and the trigonometric identities to find the remaining trigonometric functions of the angle. sec(θ) = − 3/2 cot(θ) > 0 sin(θ) = cos(θ) = tan(θ)...

if sin theta= 0.4, what is the exact value of sin theta+ cos(pi/2-theta)

I am not very sure how to go about this or start to answer it.

Help please

cscΦ = 2.3 How would I find theta in degrees using my graphing calculator. Would I just use sin on both sides to cancel out theta or would I have to do something else?

the first helicopter is 2km away from the ovserver and has an angle of elevation of 30°,while the second helicopted is 3.5km away

(1+sinx)/(cosx-cotx) - (1-sinx))/(cosx+cotx)=secx+cosecx

sec θ = 5 3 ; 0° < θ < 90° sin(θ/2) = cos(θ/2) = tan(θ/2)

Let θ be the angle in standard position whose terminal side contains the given point, then compute cos θ and sin θ . ( − 6 , − 8...

Give your answers accurate to at least 2 decimal places.

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Simplify tan(t)/sec(t) to a single trig function

simply (1+cot(t))/(1+tan(t)) to a single trig function

How many solutions does the equation sin(x) sin(2x) sin(3x)... sin(11x) sin(12x) = 0 have in the interval (0,π ] ? (a) 11 (b) 12 (c) 24 (d)...

Given two lines L1：x + ay + b = 0 and L2：x + cy + d = 0 as detailed below : details: 1. L1 and L2 cross...

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