cos 165 degrees - cos 75 degrees
use the sum to product formula to find the exact value of
use the sum to product formula to find the exact value of
solve the equations for 0 ≤ x < 2pie
use the fundamental identities to simplify the expression
A straight road leads from an ocean beach into the nearby hills. The road has a constant upward grade of 7°. After taking this road from the beach for a mile and a quarter, how high above sea level...
a 7.5M Ladder is leaned up against a wall, what angle does the ladder make with the wall if the top of the ladder is 6.6m above the ground?
The distance from a pebble to the base of a vertical cliff is 43m. The angle between the pebble and the top of the cliff is about 57 degrees. What is the height of the Cliff?
The value of a machine depreciates according to the function f(x) = 20000(1/2)x ,where x is the time in years from the purchase of the machine. What is it's value after 3 years?
1. The profit of an organization is calculated by the function P(x) = x2 - 4000x + 7800000, where x is the number of units sold. If the net profit is 3800000, find the number of items sold...
please help i can't figure it out! as well as (2 tan 4θ)/(1 − tan2 4θ)
i need this for my test tomorrow and my teacher isnt asnwering my emails
determine the exact value of sin (5π/8)
find sin (a-b) if sin (a)= 3/5 where a is in the second quadrant and cos (b)= 15/17 where b is in the first quadrant 1.) 36/85 2.) 84/85 3.) 13/85 4...
Solve each of the following equations. (i) 3cos2 2x+ 4 sin2x =1 , 0° < x < 360° (ii) sec x (tan x -2) = 2 cosec x , 0° < x < 360° (iii)...
I have No idea on what to do.
I don't understand what to do after i the two numbers like (45-30)
Can you help me with my trigonometry 1 question assignment? Can you also provide an explanation to support the answer? 1. What us the slope of any line perpendicular to the line 4x-2y=10...
csc2xtan2x-1
Please i need right away
Given that csc u= 17/15 and 0 < u < pi/2 , use double angle or half angle formulas to find the following
Find the exact value of the trigonometric function given that tan u = -3/4, pie/2 < u < pie