2 years ago

Hi, I need to send you a screenshot

Mathematics

1 answer:

Kazeer [188]2 years ago

6 0

Whyyy notttt I guessss

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Please prove the following trigonometric identity.<br><br>

Brums [2.3K]

Step-by-step explanation:

solution:- from LHS 1-cos²x/sinx

∵ 1-cos²x = sin²x

∴ sin²x /sinx = sinx

from RHS tanx × cosx

∵tanx = sinx×cosx

∴ sinx/ cosx × cosx = sinx

Since, LHS = RHS proved ___

3 0

2 years ago

Katherine buys a tv with a normal price of $200 and she has a 25% off coupon. How much money did she save????

andrey2020 [161]

Given:

Normal price of a tv = $200

Coupon = 25% off

To find:

The money saved by Katherine.

Solution:

Katherine buys a tv with a normal price of $200 and she has a 25% off coupon. It means, the money saved by Katherine is 25% of normal price of tv, i.e., $200.

$Saving=25\%\text{ of }200$

$Saving=\dfrac{25}{100}\times 200$

$Saving=25\times 2$

$Saving=50$

Therefore, the money saved by Katherine is $50.

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2 years ago

−8 3/4÷2 1/6 please show me ur work

nalin [4]

Answer:

- 4 1/26

Step-by-step explanation:

<u>Solving in steps:</u>

- 8 3/4 ÷ 2 1/6 =
- 35/4 ÷ 13/6 =
- 35/4 × 6/13 =
- 35/2 × 3/13 =
- 105/26 =
- 4 1/26

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3 years ago

Which is the greatest value?4qt

Aleks04 [339]

Step-by-step explanation:

19 is the greatest value

8 0

2 years ago

Marissa is walking along the beach and finds an unknown organism on the shore it has radical symmetry a nonporous surface and te

frozen [14]

This is not math ? it’s physics or chem or bio or something

6 0

2 years ago

Hi, I need to send you a screenshot​

Hi, I need to send you a screenshot