Prove: (secx+tanx)^3(secx-tanx)^4=1-sinx/cosx Please show the steps and prove this by making both sides equivalent to each other. Also, please include which identities follow...
Prove: (secx+tanx)^3(secx-tanx)^4=1-sinx/cosx Please show the steps and prove this by making both sides equivalent to each other. Also, please include which identities follow...
A 900-lb block is being suspended and held stationary by two steel cables as shown. The first cable (to the left of the block) makes a 70 degree angle with the horizontal, while the second cable...
A farmer plans to build a regular hexagonal corn crib with sides 8 feet high. If he wants the crib to hold up to 1,000 bushels of corn, what would the dimensions of the hexagonal base be? (1,000...
A pilot of a small plane was flying over an oil spill at an altitude of 10,000 feet. He found that the near edge of the spill had an angle of depression of 58 degrees and the far edge of the...
A pilot intends to fly a distance of 175 miles from Chicago to Indianapolis. She begins 21 degrees off her course and proceeds 70 miles before discovering her error. After correcting her...
A broadcast antenna is located at the top of a building 1,000 feet tall. From a point on the same horizontal plane as the base of the building, the angles of elevation of the top and bottom...
x+1/3 + x+2/7 =5
4x-8/x-3 +3/x = -3/x^2-3x
2 - 4/1-3x= 3/x+6
(a) Annually $ (b) Semiannually $ (c) Quarterly $ (d) Continuously $
A woman invests a total of $20,000 in two accounts, one paying 2.5% and the other paying 7% simple interest per year. Her annual interest is $770. How much did she invest at each rate? 2.5% ___$...
x^3+64=0 Solve by completing the square
A gas station sells regular gas for $2.20 per gallon and premium gas for $2.80 a gallon. At the end of a business day 330 gallons of gas were sold, and receipts totaled $774. How many gallons of each...
f(x)=-3x^3-x^2+x+10
b=50in, c=75in, C=15degrees
so confused with the steps to solve and the formulas
A rancher has 320 feet of fencing to enclose two adjacent rectangular corrals. a) What dimensions will produce the largest total area? b) What is the maximum total area?
. A Leontief input-output model has two goods, steel and oil. The production processes are such that .8 units of steel and .1 unit of oil are required to produce 1 unit of steel, and .4 units...
x + 3x ≥ 2 |x2 - 4| ...
F(x)=4x^4-15x^3-8x^2+15x+4