![viktoria1198zz](/avatars/10353.jpg)
viktoria1198zz
18.11.2019 •
Mathematics
Placement question #14
assessment progress
42 percent
let
θ
be an angle in quadrant
iv
such that
=cosθ45
.
find the exact values of
cscθ
and
cotθ
Solved
Show answers
More tips
- S Society and Politics What If There s War Tomorrow, What If We Go to War?...
- S Sport How to Do a Jumping Split...
- A Animals and plants What Do Terriers Eat?...
- F Food and Cooking Discover the Benefits and Properties of Dates...
- C Computers and Internet Dynamically Assigned IP Address: What Is It and How Does It Work?...
- S Style and Beauty How to Get Rid of Acne: Scientifically Proven Methods...
- H Health and Medicine Simple Ways to Lower Cholesterol in the Blood: Tips and Tricks...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
Answers on questions: Mathematics
- M Mathematics Jim saw that other bank offered the same rates but compounded the interest more often. Consider if he still put $15,000 into a saving account for 5 years that provided 2.8%...
- M Mathematics Translations Use the translation (x,y)(x+5,y-9) for questions 1-7. 1. What is the image of A(-1,3)? 2. What is the image of B(2,5)? 3. What is the image of C(4,-2)? 4. What...
- M Mathematics Solve the equation: x²+3x²=-2x...
- M Mathematics Answear the different questions, thank you....
- M Mathematics Use the image below to answer the following question. Find the value of sin x° and cos y°. What relationship do the ratios of sin x° and cos y° share?...
- M Mathematics An architect creates a scale model of a building with a scale of 5 cm =4 m. If the actual building is 32 m tall, how tall is the scale model? A.8 B.25.6 C.33 D.40...
- M Mathematics Your parents could have taken out a loan for the ski trip in Exercise 3. a. The simple interest rate is 6% and the time for the loan is 2 years. What would have been the total...
- M Mathematics Find the area of the entire figure....
- M Mathematics 1/4 divided by 1/2? pls help...
- M Mathematics Flynn s gross pay for last year was $52,783.04. He had 4 weeks of paid vacation. He worked 40-hour weeks and had a total for the year of 112 hours of overtime at time and a...
Ответ:
still if ∅=45
and ∅ lies in 4th quadrant.
csc&cot are negative in 4th quadrant.
csc ∅=1/sin ∅=1/+-sqrt(1-cos^2 ∅)
=-1/sqrt(1-cos^245)
=-1/sqrt(1-(1/√2)^2)
=-1/√(1-1/4)
=-1/√(3/4)
=-2/√3
cot ∅=cos ∅/sin∅=cos315/sin315=cos(360-45)/sin (360-45)
=cos 45/-sin 45=-1
Ответ:
i hope it helps