All categories

3 years ago

Pls help ASAP! I’m really trying to pass this test!

Mathematics

1 answer:

agasfer [191]3 years ago

4 0

Answer:

Second option: $x=\frac{1}{20}$

Step-by-step explanation:

$5x=\frac{1}{4}$

Divide both sides by 5:

$x=\frac{1}{20}$

You might be interested in

zubka84 [21]

Answer:

See Explanation Below

Step-by-step explanation:

Given

$(sin x - cos x)^2 = sec^2x - tan^2x - 2sinx.cos x.$

Required

Prove

To start with; we open the bracket on the left hand side

$(sin x - cos x)^2 = (sin x - cos x)(sin x - cos x)$

$(sin x - cos x)^2 = (sin x )(sin x - cos x)- (cos x)(sin x - cos x)$

$(sin x - cos x)^2 = sin^2 x -sinx cos x - sin xcos x + cos^2 x$

$(sin x - cos x)^2 = sin^2 x -2sinx cos x + cos^2 x$

Reorder

$(sin x - cos x)^2 = sin^2 x + cos^2 x - 2sinx cos x$

From trigonometry;

$sin^2x + cos^2x = 1$

So;

$(sin x - cos x)^2 = sin^2 x + cos^2 x - 2sinx cos x$

becomes

$(sin x - cos x)^2 = 1 - 2sinx cos x$

Also from trigonometry;

$sec^2x - tan^2x = 1$

So,

$(sin x - cos x)^2 = 1 - 2sinx cos x$

becomes

$(sin x - cos x)^2 = sec^2x - tan^2x - 2sinx cos x$

Proved

3 0

3 years ago

A trapezoid is ______________ isosceles. Question 4 options: Always Sometimes Never

oksian1 [2.3K]

Answer:

A 3SIDED shape

Step-by-step explanation:

3 0

3 years ago

Write the number 510 in scientific notation.

Whitepunk [10]

Answer:

500+10+0

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Leo bought 6 chew toys for his new puppy each chew toy cost $4 how much did Leo spend for the chew toys

Nikolay [14]

6*4 equals 24 bam easy mat

8 0

3 years ago

Read 2 more answers

What is 732 millimeters in meters

Schach [20]

7.32 meters. i hope this helps

8 0

3 years ago

Read 2 more answers