MATH

posted by .

if cscè= -7/10 and cosè >0.

a) draw a triangle in the correct quadrant with three sides properly labled.

b) find the exact value of 7cotè- 4cosè. This means no decimals. find a common denominator and rationalize all denominators. simiplify completely

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. trig help

    I need help finding sinA if cosA=(-3/5) and A is greater than 90 degrees, but less than 180 degrees. Draw the quadrant diagram. In the upper left quadrant, greater then ninety degrees, but less than 180, cosine is neg, and sine is …
  2. Math

    If sin(x) = 4/5 and cos(y) = 5/13 with both x and y terminating in quadrant 1 find the exact value of cos(x-y) I know that the denominator will be 65
  3. Math Analysis

    Find the exact value of cos(x/2) if sin x = 3/4 and x is in quadrant II. ==> I got ã(4-ã7)/2. Is this correct?
  4. Trigonometry

    1. (cotè+1)(cscè-1/2)=0 2. sin²è-cos²è=1+cosè
  5. 7th grade Pre algebra( math honors0

    triangle ABC is smilar to triangle FED Ab= 12 Ac=15 De=4 df=5 1. write three equal ratios to show correspnding sides are prosportional. 2. find the value of bc 3. find the value of ef.
  6. math

    if csc= -7/10 and cos >0. a) draw a triangle in the correct quadrant with three sides properly labled. b) find the exact value of 7cot- 4cos. This means no decimals. find a common denominator and rationalize all denominators. simiplify …
  7. math

    if csc= -7/10 and cos >0. a) draw a triangle in the correct quadrant with three sides properly labled. b) find the exact value of 7cot- 4cos. This means no decimals. find a common denominator and rationalize all denominators. simiplify …
  8. Trig hep, please? Thank you!

    1. Find the exact value of sin(195(degrees)) 2. If cot2(delta)=5/12 with 0(<or =)2(delta)pi, find cos(delta), sin(delta) , tan(delta). 3.find the exact value of sin2(x) if cos(x)= 4/5. (X is in quadrant 1) 4. Find the exact value …
  9. MATH: TRIG

    IF X IS AN ANGLE IN THE FIRST QUADRANT AND COSX= 3/5, FIND THE EXACT VALUE OF SIN2X DONT UNDERSTAND, KNOW THAT THE COSX IS ON A 3,4,5 TRIANGLE
  10. MATH

    The length of three sides of a triangle are (x+1)cm 2xcm and 3x+1)cm its perimeter is 30cm. Find the value of x and the length of wach sides of triangle

More Similar Questions