Math (FST)

posted by .

1. Give exact value of tan(theta) if cos(theta)=-2/7 and pi/2<theta<pi.

2. Find the domain, range, period, and phase shift of

y=3sin(2x-4)+1

3. The city of cape town, South America, has latitude 33.92 degrees south and longitude 18.37 degrees east. The circumference of a meridian is almost 40,000 km. Find the distance between cape town and the south pole, to the nearest km.

4. convert 4pi/5 radians to degrees

5. Convert 324 degrees to radians exactly

6. In a circle of diameter 22 inches, a sector is formed by a central angle of 16 degrees. Find the area of the sector to the nearest hundreth of a square inch.

Please help with these I have no clue what im doing.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Calculus

    I wanted to confirm that I solved these problems correctly (we had to convert the polar curves to Cartesian equations). 1.rcos(theta)=1 x=1 2.r=2*sin(theta)+2*cos(theta) r^2=2rsin(theta)+2rcos(theta) x^2+y^2=2y+2x (a little unsure …
  2. Algebra II

    Multiple Choice (theta) means the symbol 0 with the dash in it. 1.)Which expression is equivalent to tan(theta)-(sec(theta))/(sin(theta))?
  3. trig

    Hi, I need to find the domain and rnge of the following: 1. X= 1/2 (cos theta + theta sin theta) Y=1/2 (sin theta - theta cos theta) total guess here, but here goes Domain cos theta = +/- 1 and domain sin theta = +/- 1 so domain theta …
  4. Trig

    1. Establish the identity: sin(theta+3pi/2)=-cos(theta) 2. Find the exact value of 2(theta) if sin(theta)=5/13 3. Show that: csc2(theta)-cot2(theta)=tan(theta) 4. Find the exact value of tan(cos^-1(square root of 3/2) 5. Approximate …
  5. Math- Trig

    1. Determine the exact value of cos^-1 (pi/2). Give number and explanaton. 2. Determine the exact value of tan^-1(sq. root 3). with explanation. 3. Determine exact value of cos(cos^-1(19 pi)). with explanation. 4. Determine the exact …
  6. math

    Another: theta is a second quadrant angle in standard position and tan theta = - (sqrt5)/(2) . Find the exact value of cos theta. I assume I use the equation 1 / cos(theta)^2 = 1 + tan (theta)^2 However how does this work out algebraically?
  7. Math

    angle theta is in the standard position and 0'=<theta=<180'. If cos theta = -2/3, find the exact value of sin theta* tan theta.
  8. Math Trig Help

    sin theta = x/3, with theta in the first quadrant, find the expression for cos theta and tan theta. Answers will be in algebraic terms of x. Give exact answers with 0 < theta <pi/2 (0 less than or equal to theta, less than or …
  9. Algebra 2

    Find the exact value of each expression if 0 degrees < theta < 90 degrees If tan (theta) = 1/2 , find cos(theta) If cos(theta) = 8/17, find csc (theta) Find the exact value of each expression is 180 degrees < theta < 270 …
  10. MATHS TRIGONOMETRY

    if 3sin theta =2 and cos greater than 0,with the aid of a diagram determine the value of: a) tan theta b) sin theta/cos theta c) sin^2 theta + cos^2 theta

More Similar Questions