## Trigonometry Resources how to use trig function

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... Find the values of the trigonometric functions of θ from the information given. sec θ = 6, sin θ < 0

I am not very sure how to go about this or start to answer it. how would I solve for csc theta = 2.3 on my calculator and get an answer in degrees?

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

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

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)... Pre calculus question !!!

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

The vertices of a triangle ΔABC are A( p,q) , B(r, s) ,C(u, v) . Assume that these coordinates satisfy 2p+3r+4u=0   ,  2q + 3s + 4v=0     , and...

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