3 years ago

Which expression is equivalent to 1/1-2sin^2(x)?

Mathematics

1 answer:

Alika [10]3 years ago

5 0

Answer:

a) $\frac{1}{cos(2x)}$

Step-by-step explanation:

You might be interested in

At what rate will £420 yield<br>£70 in 4 years

Bumek [7]

Answer:

4.17%

Step-by-step explanation:

Rate = interest earned / (principal x time)

70 / (4 x 420) = = 0.0417 = 4.17%

6 0

3 years ago

Two cakes were cut into 8 slices iate 1/8 of the carrot cake . Iate 1/2 of the carrot cake .Me ate 1 slice of each. I ate three

FromTheMoon [43]

Answer:

There are 6 slices left.

Step-by-step explanation:

The remaining slices are:

Carrot Cake

$x = \left(\frac{8}{8} -\frac{1}{8} -\frac{4}{8} -\frac{1}{8} \right)\cdot 8$

$x = 2$

Chocolate Cake

$y = \left(\frac{8}{8} - \frac{1}{8} - \frac{3}{8} \right)\cdot 8$

$y = 4$

There are 6 slices left.

7 0

3 years ago

Larry wants to enlarge a cube with edges of 3cm so that it's volume will be 8 times larger. How long must each edge of the enlar

Monica [59]

The answer is 6 inches, 3*3*3 equals 27, the current volume of the cube, 27*8 equals 216, the new volume, 6*6*6 equals 216, so the side lengths equal 6 inches.

6 0

3 years ago

How many sides has a regular polygon whose sum of interior angles is 540degrees

Svetllana [295]

It’s a pentagon (5 sides) . (n-2) x 180°. if you put it into the formula and do the reverse. 540 / 180 = 3
, 3+2 = 5

7 0

3 years ago

What the rule would be?

katrin [286]

To go to kite 2, kite 1 must go up 6 then 6 to the left

The rule x + 6, y - 6.

5 0

3 years ago