3 years ago

Given sinθ=4/7 and θ lies in Quadrant II .

Mathematics

1 answer:

AlladinOne [14]3 years ago

5 0

Answer:−√33/7

Step-by-step explanation:

Second quadrant implies cos negative, as cos is projection from

unit circle to x axis.

sin^2+cos^2=1

cos= sqrt(1-sin^2)

sin^2 = 16/49

1-sin^2 = 33/49

sin= -sqrt(33)/7

You might be interested in

Nicole works at a flower shop.

Step2247 [10]

Answer:4 vases

Step-by-step explanation:

3 0

3 years ago

Which equation could be used to find the length of the hypotenuse?

Julli [10]

Answer:

2^2 +5^2 = c^2

Step-by-step explanation:

We can use the Pythagorean theorem to solve for c

a^2 + b^2 =c^2 where a and b are the legs and c is the hypotenuse

2^2 +5^2 = c^2

4+25 = c^2

29 =c^2

3 0

3 years ago

Read 2 more answers

Lan needs to find the area of the shaded region shown below. Which statements can he use to find the answer? Select three

Vsevolod [243]

Answer:

ABD

Step-by-step explanation:

6 0

4 years ago

234 times 97 divide by two plus 139

matrenka [14]

Answer:

11488

Step-by-step explanation:

234 × 97 = 22698

22698 ÷ 2 = 11349

11349 + 139 = 11488

3 0

3 years ago

A party started at 10:20 and last 80 minutes what time did it end

I am Lyosha [343]

Answer: The party ended at 11:40

7 0

3 years ago

Read 2 more answers