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3 years ago

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Mathematics

1 answer:

blsea [12.9K]3 years ago

7 0

You would need too do 5*5=25 if you did 5*7=35 that would be wrong

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Prove the following identity sin x(sec x+cscx)= tan x +1

Alexxandr [17]

Answer:

Step-by-step explanation:

________________________________________________________

FACTS TO KNOW BEFORE SOLVING :-

$\sin x = \frac{1}{cosec \: x} \: \: or \: \: cosex \: x = \frac{1}{\sin x}$

$\cos x = \frac{1}{\sec x} \: \:or \: \: \sec x = \frac{1}{\cos x}$

$\tan x = \frac{\sin x}{\cos x}$

________________________________________________________

In the question ,

L.H.S. = $\sin x (\sec x + cosec \: x)$

R.H.S. = $\tan x + 1$

Lets solve L.H.S. first.

$\sin x (\sec x + cosec \: x)$

$=> \sin x( \frac{1}{\cos x} + \frac{1}{\sin x} )$

$=> \frac{\sin x}{\cos x} + \frac{\sin x}{\sin x}$

$=> \tan x + 1$

∴ L.H.S. = R.H.S. (Proved)

3 0

3 years ago

∠B= please answer ASAP!!!

Wewaii [24]

Answer:

Assuming angle A and angle B are the same, the answer would be 45 degrees.

Step-by-step explanation: A triangle always = 180 degrees. There is a right angle (90 degrees) 180-90= 90. 90/2 = 45

3 0

2 years ago

Find 165.1% of 333.Round to the nearest hundredth.

inysia [295]

Answer:

We get that the 165.1% of 333 is 333 • 1.651 = 549.78

Step-by-step explanation:

1. They are asking for the 165.41%

2. So, we need to multiply 333 by the representation of 165.1% in decimal by doing the multiplication using a calculator

6 0

3 years ago

A quadrilateral can be constructed with four obtuse angles. True False

nignag [31]

Yes it is true for example like a parrelogram that has 2 obtuse angels so which means it is true

7 0

2 years ago

If you apply the changes below to the absolute value parent function, f(x) = |x|, what is the equation of the new function?Shift

grin007 [14]

G(x)=|x-4|+6

answer: A

Regards M.Y.

7 0

3 years ago

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