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Pepsi [2]
3 years ago
11

In which quadrant does θ lie given that sinθ > 0 and cos θ < 0

Mathematics
1 answer:
Elan Coil [88]3 years ago
8 0
Quadrant IV
For an angle in the fourth quadrant the point P has positive x coordinate and negative y coordinate. Therefore: In Quadrant IV, cos(θ) > 0, sin(θ) < 0 and tan(θ) < 0 (Cosine positive).
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HELP !!! | 20 Points.
RUDIKE [14]

Answer:

No. The ladder is too steep.

Step-by-step explanation:

Length of ladder = 17 feet.  This is the hypotenuse.

Side a of a right triangle = 16.6

To answer this, you need one of the trigonometric functions.  

Opposite = 16.5

hypotenuse = 17

The function you need is the sine function.

Sin(theta) = opposite / hypotenuse

sin(theta) = 16.5 / 17

Sin(theta) = 0.97059

theta = sin-1(0.07059)

theta = 76.07

No the ladder is too steep.

5 0
3 years ago
Read 2 more answers
A bycylist rides 18 miles in 2 hours how far will the bicylist ride at this speed in 5 hours?
Minchanka [31]

Answer:

he will ride 81 miles in 5 hrs

Step-by-step explanation:

if he rides 18 miles in 2hrs then multiply 18x4 which is 72

then for the last hour split 18 in half which is 9.

then 72 + 9= 81 miles in 5 hrs

3 0
3 years ago
Find the diameter of a spherical beach ball with a volume of 36n
mestny [16]
6 I don’t know I just needed to answer a question
8 0
4 years ago
??? I need help on this question
Solnce55 [7]
Let x be 1st and y the 2nd number in the solution:

x=y+21

.2x=y

x=.2x+21

.8x=21

x=26.25 larger number

y=5.25 smaller number


6 0
4 years ago
Evaluate √x^2 + y^2 when x^2 =20 and y^2 =10
schepotkina [342]

Answer:

5.477

Step-by-step explanation:

Here we have to get the value √ ( x²+y² ) in this question where the values of x² and y² are given to be 20 and 10 respectively.

Let A = √ ( x²+y² ) =√(20+10) {Since the value of x² =20 and that of y² =10}

⇒ A= √30 =5.477  

Therefore, the value of  √ ( x²+y² ) is 5.477. (Answer)

7 0
3 years ago
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