Use the given information to find the exact value of the expression. 4 5 22) tan...
this is a+b Plot the point given in polar coordinates. (-4, 405°) Use the given information to find the exact value of the expression ci 51 lies in quadrant III in Find sin (a - b). sin a = -34 a lies in quadrant IV, and cos B= -48-7121 125 -48 +7421 125 0 -14+24 21 125 14+24 21 125 Use the given information to find the exact value of the expression. ß lies in quadrant II Find cos (a...
Use the given information to find the exact value of each of the following. a.sin2theta b.cos2theta c.tan2theta. sin theta 9/13, theta lies in quadrant Use the given information to find the exact value of each of the following. a. sin 20 b. cos 20 C. tan 20 9 sin 0 = e lies in quadrant II 13 a. sin 20 = (Simplify your answer Type an exact answer using radicals as needed. Use integers b. cos 20 = (Simplify your...
Find the exact value for the expression under the given conditions. 5 5 cos (a+), sina=- + for a in Quadrant III and cosß for ß in Quadrant II. 13 12 cos(a+b) = 0/0 Х 5
41&43 In Problems 41-46, use the given information and appropriate identities to find the exact value of the indicated expression. 41. Find sin(x + y) if sin x = 1/3, cos y = -3/4, x is in quadrant II, and y is in quadrant III. 42. Find sin(x - y) if sin x = -2/5, sin y = 2/3, x is in quadrant IV, and y is in quadrant I. 43. Find cos(x - y) if tan x = -1/4,...
Use the given information to find the exact value of the expression\(\cos \alpha=-\frac{7}{25}, \alpha\) lies in quadrant \(I I I\), and \(\sin \beta=\frac{\sqrt{21}}{5}, \beta\) lies in quadrant II . Find \(\cos (\alpha+\beta)\).A. \(\frac{-14-24 \sqrt{21}}{125}\)B. \(\frac{-48+7 \sqrt{21}}{125}\)c. \(\frac{48-7 \sqrt{21}}{125}\)D. \(\frac{14+24 \sqrt{21}}{125}\)
Use the given information to find the exact value of the expression. sin a= 20 29 a lies in quadrant II, and cos 24 25 Blies in quadrant I. Find sin (a - ). O A. 644 725 ОВ. 333 725 C. 364 725 627 D. 725
use the info given below to find cos(a+b) tan a= 3/4, with a in quadrant III sin b= 15/17, with b in quadrant II = O TRIGONOMETRIC IDENTITIES AND EQUATIONS Sum and difference identities: Problem type 3 Use the information given below to find cos(a+b). 3 tana= with a in quadrant III 4' 15 with B in quadrant II 17 sin B = Give the exact answer, not a decimal approximation. cos (a + B) = 0 금 X 5...
Use the given information to find (a) sin (s +t), (b) tan (s + t), and (c) the quadrant of s+t. 12 13 and sint = 5 s and t in quadrant III 4 COS S =- (a) sin (s+t)=0 (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) (b) tan (s+t) = 0 (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) (c) What is...
1-17 u ule exact value of the expression 1) cos? 30+ cos? 60 2) cot 45-tan 45 5-6 Use the given information to find the exact value 3) sin? 53 + cos2 53 4) cot 20 -tan 20 5) sin = , where is in quadrant 1. Find tan 6) tan 0 = - , where is in quadrant 4. Find sec 7-12 Verify the identity 7) tan sin cos 0 = sin? 8) tane = sine 9) tancos? +...
5 4 If tan = and coto= find the exact value of sin(0-0). 9 Note: Be sure to enter EXACT values 1 You do not need to simplify any radicals. sin(0-0)- 2 If cosa = 0.369 and cos B 0.195 with both angles' terminal rays in Quadrant-l, find the values of (a) sin(a +B) = (b) sin(B-a) = Your answers should be accurate to 4 decimal places. Give exact answers 2 sin(a) = and cos(B) 4 5 Both angles terminate...