Trigonometry

Sarah used her calculator to find sin125 degree. She wrote down sin125 degrees = -.57. How could Sarah recognize that her answer is incorrect?

  1. 👍
  2. 👎
  3. 👁
  1. Sarah is wrong because her answer is for Cos(125) not Sin(125... Sin(125) equals .81915204

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Precalculus

    The longest side of a triangle are 13 ft., 15 ft., and 11 ft.. Find the measure of the opposite longest side. Round your answer to the nearest degree. A. 46 degrees B. 58 degrees C. 77 degrees D. 103 degrees

  2. math

    can someone please answer these questions for me?: 1. if the measure of an interior angle of a regular pentagonis 108 degrees, then the angle sum of that regular pentagon must be: A. 120 degrees B. 360 degrees C. 540 degrees D.

  3. Civics ASAP PLZ =:)

    Sarah opened a shoe shop in Los Angeles, California to sell the shoes she designs. Which of the following statements is an example of cultural diffusion related to Sarah's business? First-year profits for Sarah's Shoe Shop were 50

  4. pre-calculus

    An open box is made from a square piece of material 36 inches on a side by cutting equal squares from the corners and turning up the sides. Use your calculator to find the maximum volume this box can hold. I got the equation

  1. maths

    evaluate without using a calculator, leaving your answer as surds (a)sin105 degrees (b)tan15 degrees (c)cos 75 degrees

  2. MATH ANALYSIS

    how do you find the function csc 225 degrees without using a calculator?

  3. Pre-Calc

    Please check my answers I really need to do my homeowrk!;This are polar coordinates we're studying-I'm almost positive the first two are correct. 1.Which of the folowing is another representation of (-3,pi)? (3,120degree) (3,0

  4. Geometry

    Please Someone Help!!! Find the coordinates of a point on the unit circle corresponding to a 36 degree angle rotation. Find the coordinates of a point on the unit circle corresponding to a 115 degree angle of rotation. Find all

  1. Math

    Which of the following values best approximates of the length of c in triangle ABC where c = 90(degrees), b = 12, and B = 15(degrees)? c = 3.1058 c = 12.4233 c = 44.7846 c = 46.3644 In triangle ABC, find b, to the nearest degree,

  2. geometry

    find the value of x in each triangle: triangle x has 1 angle at 53 degree for value x i got: 63.5 degree is that correct? Classify each triangle. 7. The measures of 2 angles are : 45 degree and 45 degree i got: acute 8. the

  3. geometry

    Use your calculator to find cos−1(0.76) to the nearest degree. A. 49 B. 47 C. 43 D. 41 thank you if you help. or for even viewing it.

  4. math-law of sins

    solve the triangle: 1. A= 61 degrees a=8 b=21 2. A=136 degrees a=15 b=28 3. C=115 degrees b=12 c=7 For all of these problems I used law of sins and when I input it into my calculator I get domain error after doing sin inverse to

You can view more similar questions or ask a new question.