# trigonometry

1)find the exact value indicated trigonometric function of θ, if θ is the angle is standard position whose terminal side contains the given point.
(-2 ,√2); Find cos θ

2) find the length of the arc intercepted by a central angle of 35degree 28' in a circle of radius 15 ft. Round to two decimal places, if necessary.

1. 👍 0
2. 👎 0
3. 👁 255

## Similar Questions

1. ### trig

If θ is an angle in standard position and its terminal side passes through the point (20,-21), find the exact value of sec(θ).

asked by Anonymous on December 9, 2011
2. ### Pre-Calc

1) Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. cos 12° cos 18° − sin 12° sin 18° And Find its exact value. 2) Use an Addition or Subtraction Formula to write the

asked by Alyssa on April 13, 2015
3. ### Pre-Calc

I am really struggling with how to do these problems, I posted them a few minutes ago but the answers/work shown was incorrect. 1) a) Use an Addition or Subtraction Formula to write the expression as a trigonometric function of

asked by Alyssa on April 13, 2015
4. ### Pre-Cal

Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. (tan(74°)-tan(14°))/(1+tan(74°)tan(14°)) =__________ Find it's exact value (not decimal form) =__________ Note: A

asked by Amber on July 7, 2016
5. ### trig

determine an exact expression for the trigonometric function sin(13pi/12).

asked by jj reddick on October 25, 2010
1. ### Math

In triangle PQR, angle Q= 90 degrees, angle P= 60 degrees and angle R= 30 degrees. PR= 1 unit. Extend side QR to T such that PR= RT. Join PT. Calculate the exact measure of angle T. Determine the exact value of lengths needed to

asked by Kausar on February 23, 2017
2. ### Functions (Math)

The point P(2, -5) is located on the terminal arm of an angle θ in standard position. a) Draw and label an appropriate diagram. Remember to label θ and all the sides of the triangle. b) Determine the exact values of the primary

asked by Shaun on April 24, 2017
3. ### MATH - HELP ME PLEASE!!!!

Sketch a right triangle corresponding to the trigonometric function of the acute angle θ. Use the Pythagorean Theorem to determine the third side and then find the other five trigonometric functions of θ. cot(θ) = 9

asked by Anonymous on February 12, 2019
4. ### trig

the terminal side of an angle theta in standard position coincides with the line y=5x and lies in quadrant 3. find the six trigonometric functions of theta.

asked by meg on November 29, 2010
5. ### Math

Consider ∠C such that sin C = 7/25 a) What are the possible quadrants in which ∠C may lie? b) If you know that cos C is negative, how does your answer to part a) change? c) Sketch a diagram to represent ∠C in standard

asked by Katie on November 22, 2016
6. ### math

Right △EFG has its right angle at F, EG=8, and FG=6. What is the value of the trigonometric ratio of an angle of the triangle? Match the trigonometric ratio with its value. sec G= cot G= sin E= Choices: 3/4, 4/3, √7/3, √7/8,

asked by help~ on May 20, 2020