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Marina CMI [18]
3 years ago
7

Trignometric identites..

Mathematics
2 answers:
madam [21]3 years ago
7 0
TOA CAH SOH
Pythagoras Theorem
Sine rule
Cosine Rule
Monica [59]3 years ago
3 0

Answer:

tan(θ) =  sin(θ)/cos(θ)

Half Angle Identities

Note that "±" means it may be either one, depending on the value of θ/2

sin a/2

 

cos a/2

 

tan a/2

 

cot a/2

Step-by-step explanation:

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Carly used 15 centimeters of tape to wrap 3 presents. How many presents did Carly wrap if she used 45 centimeters of tape? Assum
Nataly_w [17]
Answer: 9 Presents

Explanation: 15/3 = 45/x.
Cross Multiply: 15x= (45)(3)
Simplify: x= 9
8 0
3 years ago
What is the probability of picking two blue marbles out of a bag containing 4 red, 5 blue, and
yarga [219]

Answer:

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Step-by-step explanation:

8 0
3 years ago
Two numbers such that the greater number is 75 percent more than the lesser number
victus00 [196]
<h2>Greetings!</h2>

If x = the first number (equal to 1x) then the second number is 75% more than this.

This means the value of the bigger number is 100 + 75 (because 100 is the starting number and 75 is the percent bigger)

This can be shown with the following equation:

Amount * \frac{percentage}{100}

x *  \frac{175}{100} = 1.75x

1.75x is the value of the bigger number.


<h2>Hope this helps!</h2>
8 0
3 years ago
Analyze the dot plots. What is the difference between the medians of the two data sets? mm
Anettt [7]

Answer:

4

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A) 60° B) 85° C) 96° D) 40°​
RideAnS [48]

Answer:

A)60°

Step-by-step explanation:

a straight line is 180° then

if a line bisect it in to a half it become 90°

then

the exterior angle of a triangle is equal to the sum of two interior angles

this means 150°-90°=60°

8 0
3 years ago
Read 2 more answers
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