Charles Autterson

Questions

• A plane takes off from LAX airport and ascends for a distance of 3200 feet. If the plane traveled 2400 feet horizontally, find the plane's angle of elevation at take-off. ?
• Prove sec x - tan x sin x = (1/sec x) ?
• Solve for x on #[0,2pi)# : #(x-pi)/cos^2x < 0 # ?
• How do you graph #y = 3 tan (x/2)#?
• How do you find arcsin(-1/2) ?
• How to solve x^2 + (sinx)^2 = 1?
• How do you express #f(theta)=-sin^2(theta)-5cot^2(theta)-2sec^4theta# in terms of non-exponential trigonometric functions?
• In an equilateral triangle, 3 coins of radii 1 unit are kept so that they touch each other and also the sides of the triangle. Then what is the area of the triangle?
• If tan x = -3/4 and pi/2<x<pi find values of cos x and sin x?
• How do I simplify 2sin(100pi/9)*cos(100pi/9)?
• Use Law of Cosines: Two airplanes leave an airport at the same time. The first flies 150 km/h in a direction of #320^@#. The second flies 200 km/h in a direction of #200^@#. After 3 hr, how far apart are the planes?
• The max value of #5cosα+3cos(α+π/3)+3 # is?
• Could someone please explain the answer to this question to me?
• Find the value of c and state the amplitude and period of f (?)
• How do you step through solving #4cos(4theta) = -2sin(theta)#?
• What is the amplitude of #f(x) = -3cos(x/2 + pi)#?
• If cos(x)cos(x-(Π/3))=1-(n/6), then the constraint of the value n that satisfies ?
• How do you prove #tan((x/2)+(pi/4))=secx+tanx#?
• How do you multiply #\sin ( - \frac { 50\pi } { 3} ) \cdot \cos \frac { 53\pi } { 6}#?
• How do you graph #2sin(2x+30°)#?
• 1
• •••
• 40
• 41
• 42
• 43
• 44
• •••
• 47