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3 years ago

Which angle is a right angle

Mathematics

2 answers:

tino4ka555 [31]3 years ago

6 0

Answer:

angle DAB is a right angle

Mrac [35]3 years ago

3 0

Answer:

Angle DAB

Step-by-step explanation:

Considering a right angle is when two points meet and create a 90 degree corner, or right angle, DAB will be the angle that is a right angle since it makes that right angle.

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True or false: the equation tan^2x+1=sec^2x

zhenek [66]

ANSWER

True

EXPLANATION

The given trigonometric equation is:

${ \tan}^{2} x + 1 = { \sec}^{2} x$

We take the LHS and simplify to arrive at the RHS.

${ \tan}^{2} x + 1 = \frac{{ \sin}^{2} x}{{ \cos}^{2} x} + 1$

Collect LCM on the right hand side to get;

${ \tan}^{2} x + 1 = \frac{{ \sin}^{2} x + {\cos}^{2} x}{{ \cos}^{2} x}$

This implies that

${ \tan}^{2} x + 1 = \frac{1}{{ \cos}^{2} x} .$

${ \tan}^{2} x + 1 = {( \frac{1}{ \cos(x) }) }^{2}$

${ \tan}^{2} x + 1 = { \sec}^{2} x$

This identity has been verified .Therefore the correct answer is true.

3 0

2 years ago

PLEASE HELP IS IT A B C OR D PLEASE HELP ME Thank You

Savatey [412]

Answer: I believe the correct answer is option D.

7 0

2 years ago

Read 2 more answers

Please solve B, C, D, E, and F and I will give Brainliest!

kykrilka [37]

Answer:

a. 125

b. 25/64

c. 0.25

d. 343

e. 49/4

f. 0.81

Step-by-step explanation:

multiply by the same number by the amount of times the power tells you

b. 5*5 = 25 8*8= 64

c. 5*5 = 25 0.5*0.5 = 0.25

d. 7*7*7 = 343

e. 7*7 = 49 2*2= 4

f. 9*9 = 81 0.9*0.9= 0.81

5 0

2 years ago

HELP PLEASE!! WILL CROWN BRAINLIEST.....

Ivenika [448]

Answer: i am not sure but thanks for the points have a good day

Step-by-step explanation:

5 0

2 years ago

Number 17 and 18 please and thank you

Mashutka [201]

17. All
18. B because it can be symmetrical either way

3 0

3 years ago