1- 2- Question 10 Find the dot product for the pair of vectors. -5i + 7),...

Question

Question

1- Question 10 Find the dot product for the pair of vectors. -5i + 7), 61-51 OS -35 -30

2- D Question 11 Use the fundamental identities to find the value of the trigonometric function. Find sin 8, given that cos 8 --

math trigonometry

Answer 1

Answer #1

2 Let ū = -51470 and J = 61.51 Then we have; uita (asi +73). (68-59) -65x6) + 7*(5) .30 - 35 E65 .

So second option is correct.

.

..

A Given that cos o = and as rano <0. so, sino <o TIF sino = 1-c0320 = - NTC si 17 81 .

So third option is correct.

Answer 2

Similar Homework Help Questions

Given the following two vectors: A=2i+6j=3k and B=5i-3j-2k. Find the dot product of the two vectors,...

Given the following two vectors: A=2i+6j=3k and B=5i-3j-2k. Find the dot product of the two vectors, the cross product of the two vectors,a nd the angle between them.
1- 2- D Question 21 Solve the equation for exact solutions. arcsir(y - 3) } Posten...

1- 2- D Question 21 Solve the equation for exact solutions. arcsir(y - 3) } Posten . P67 Question 22 Use the fundamental identities to find the value of the trigonometric function. Find cose if tan 0-6 and sin @ <0. -37 yo
An) a) Find the magnitude of both vectors. b) Find dot product and cross product of both vectors ...

pls answer 4,5,6 and 7 An) a) Find the magnitude of both vectors. b) Find dot product and cross product of both vectors c) Find the projection of w onto v 2) Let а:31 + 5, + 7k and b--6r +-10, + mk where m e R. a) Find the value for m such that vectors are orthogonal b) Find the value of m such that the cross product of the vectors is zero 3) a) Find the distance from...

Two sides of aright triangle ABC (C is the right angle) are given. Find the ind icated trigonomet...

Two sides of aright triangle ABC (C is the right angle) are given. Find the ind icated trigonometric function of the given angle. Give exact answers with rational denominators. 1 Find cos A when a -7 andb 2 A) 53 53 C) 1 53 D 2153 2) Find csc B when a-4 and b-5 2) A) 4 5-41 Solve the problem 3) Find tan P 20 A) tan P- B) tan P- C) tan P.4 D) tan P. 4 Find...
QUESTION 3 Using the appropriate identity below, find the value of cos cos( 5 – B).ca...

QUESTION 3 Using the appropriate identity below, find the value of cos cos( 5 – B).ca (Angles are measured in radians.) Formula Sheet Sum & Difference Identities Half Angle Formulas CON 1 + cos(0) 2 cos(0) 2 sin - + cos(a+B) cos(a) cos(8) – sin(a) sin() cos(a-B) cos(a) cos(8) + sin(a) sin() sin(a+b) sin(a) cos(8) + cos(a) sin(8) sin(a -B) sin(a) cow (8) - cos(a) sin() tan(a)tan(B) tan(a+B) 1 - tan(a)tan (8) tan(a)-tan(8) tan(a-) 1+tan(Q) tan() Power Reduction Formulas tan...
Use the information given about the angle 8 to find the exact value of each trigonometric...

Use the information given about the angle 8 to find the exact value of each trigonometric function tan = - 10, sin < 0 0 e e (a) sin (20) (b) cos (20) 2 (d) cos 2 (e) tan 20 (f) tan 2 (c) sin

question 47 and 48 please. Thanks 43. tan” x - 2 tan x = 0 44....

question 47 and 48 please. Thanks 43. tan” x - 2 tan x = 0 44. 2 tan” x - 3 tan x = -1 45. tan- 0 + tan 0 - 6 = 0 46. sec? x + 6 tan x + 4 = 0 2.4 Evaluating Trigonometric Functions in Exercises 47-50, find the exact values of the sine, cosine and tangent of the angle. 47. 75º = 120° - 45° 48. 375º = 135° + 240° 402511 -...
QUESTION 6 Eatablish the identity (sec u-tan (sec u + ton ) = 1 3 (12)...

QUESTION 6 Eatablish the identity (sec u-tan (sec u + ton ) = 1 3 (12) Path: P QUESTION 7 Find the inverse function of the function f. f(x) = 8 tan 10x-5) QUESTION 8 Use the information given about the angle 8,0 ss 2n, to find the exact value of the indicated trigonometric function. tan 8 = = 3:18 Find cos(28) QUESTION 9 Find the exact solution of the equation. 3 sin-1 X=1 Chick Sme and Submit to save...
1-17 u ule exact value of the expression 1) cos? 30+ cos? 60 2) cot 45-tan...

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? +...

please answer 37, 39 and 41 thout looking at the 1 I number ol solutions, is...

please answer 37, 39 and 41 thout looking at the 1 I number ol solutions, is it an identity? Explain. 30. Does an identity have an infinite number of solutions? entities are called Explain. dentities to find the Eric functions of In Problems 31-36, use the fundamental identities to find the exact values of the remaining trigonometrie fonctions of x. given the following: 31. sin x = 2/5 and cos x < 0 32. cos x - 3/4 and tan...