Question: If sin = 4/5 and is in quadrant II, then cos = _______.

If sin θ = 4/5 and θ is in quadrant II, then cos θ = _______.

Step by Step Solution

★★★★★

3.43 Rating (159 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

If sin 45 ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Precalculus Questions!

Q:

In Exercises 1-4, find the exact value of the trigonometric expression given that tan u = 3 / 4 and cos v = - 4 / 5.( u is in Quadrant I and v is in Quadrant III). 1. sin (y + v) 2. tan (u + v) 3....

Q:

If sin = -4/5,

Q:

In Exercises 1-4, find the exact value of the trigonometric expression given that sin u = - 7 / 25 and cos v = - 4 / 5.(both u and v are in Quadrant III). 1. cos(u + v) 2. sin(u + v) 3. tan(u v) 4....

Q:

Answers are given at the end of these exercises. If sin = 4/5 and is in quadrant II, then cos= _______.

Q:

cos ? =-24/25, ? a lies in quadrant II, and sin B = ?21, lies in quadrant II Find cos (? + ?).-48-7?21/12514-24?21/125-14+24/21/12548+7?21/125

Q:

Use the Sum and Difference [Addition and Subtraction] Formulas to determine the exact value of each of the following. cos (25/12 ) c. sin (5/12) d. tan ( 11/12 ) Use the Sum and Difference [Addition...

Q:

8) sin = 3/5 , lies in quadrant II, and cos = 2/5 , lies in quadrant I Find cos ( - ). 9) tan = 24/7 , lies in quadrant III, and cos = - 3/5 , lies in quadrant II Find sin ( + ). 10) cos = - 4/5 ,...

Q:

Determine the remaining sides and angles of the triangle ABC. A = 16.46 B= 21.84 c = 10.91 m To find the distance AB across a river, a surveyor laid off a distance BC = 354 m on one side of the 354 m...

Q:

Determine the remaining sides and angles of the triangle ABC. A = 16.46 B- 21.84 c= 16.91 m To find the distance AB across a river, a surveyor laid off a distance BC = 354 m on one side of the 354 m...

Q:

Determine the remaining sides and angles of the triangle ABC. A = 16.46 B= 21.84 c = 10.91 m To find the distance AB across a river, a surveyor laid off a distance BC = 354 m on one side of the 354 m...

Q:

Fein Company provided the following information relating to cash payments: Fein purchased direct materials on account in the following amounts: June $68,000 July 77,000 August 73,000 Fein pays 20% of...

Q:

How are elements probably formed?

Q:

Which of the following factors is used to estimate the standard deviation, when using sample ranges, for an X chart? a. 0.58 b. A2 c. c d. Cpk

Q:

1. Which of the following is not a part of the defi nition of listening? a. It is an active process. b. It involves the creation of meaning. c. It deals with only spoken messages. d. It occurs...

Q:

In Problems 21 34, plot each point given in polar coordinates. (-3, )

Q:

In Problems 2225, write each expression in rectangular form x + yi and in exponential form re i . 6 (1 - 3i)*

Q:

In Problems 15 30, transform each polar equation to an equation in rectangular coordinates. Then identify and graph the equation. r sin 0 -2

Q:

C-1. How many directors could Mr. Clark elect if he obtains all the proxies for the uncommitted votes? (Do not round intermediate calculations. Round down your answer to the nearest whole number.)...

Q:

How to calculate the content of green grid? Thank you 21% 16. Your friend owes $5,000 on a credit card that charges a 21% APR and requires a minimum payment of $150. If your friend kept making $150...

Q:

ANSWER IS INCORRECT. Please show your work so I know what I did wrong. I will only give a thumbs up if work is shown. Answer can be solved using formula, Excel, or a financial calculator. Thank you!...