question 3 part a \"Special\" Triangler-30.* Upload Assignment: See x E T ST#3 S

Question

question 3 part a

"Special" Triangler-30.* Upload Assignment: See x E T ST#3 STUDY GUIDE- x (31] Vikings 5x08 lvai CSecur https://blackboard howard execute/content/file/cmd=view content id= 2153201 1&course; id= 1084442 1 Contenit Show all your work . No work. No credit. Best Wishes! Croups Toxls Help Tegrity Classes 1. (20 points) Withoul the use of a calculalor, nd he ex value of the following a) om(75°) b) tan-l (tan (j) c) soc ( d) tan ( 5) 2. (20 points) Show that: (a) (cos(a) - sin(a) sin(B)+sin(a)+ cos(a) sin(B)-1 (b) sin(d) tary@) see(?)+1-sex.2(8) and (-0, oo) (a) 3sec(x)-4 (b) sin() 2sin() -3- 3. (20 points) Find all solutions to each of the following equations in the intervals [0, 2n) 4. (20 points) Given an example of a triangle where one angle is given, that cannot be solved using only the Law of sines. Use the La of Sines to solve the triangle a12,b 20 and a-30 . You may use a calculator for this problem, but you must show all of your work. O Type here to search 4/3/20183

Explanation / Answer

a. 3 sec2(x) - 4 =0

adding 4 to both sides

3sec2(x) = 4

sec2(x) = 4/3

   sec x= +- 2/ sqrt 3

x= sec-1(+- 2/ sqrt 3)

x= pi/6, 5pi/6, 7 pi/6, 11pi/6

And in (-infinity, infinity)

x= pi n -(5 pi/6) , pi n -(pi/6)

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.