




Consider a
ABC right angled at C and
Then,
‣ Base [B] = BC
‣ Perpendicular [P] = AC
‣ Hypotenuse [H] = AB

Let,
Base = 7k and Perpendicular = 8k, where k is any positive integer
In
ABC, H² = B² + P² by Pythagoras theorem






Calculating Sin




Calculating Cos




<u>Solving the given expression</u><u> </u><u>:</u><u>-</u><u> </u>

Putting,
• Sin
= 
• Cos
= 

<u>Using</u><u> </u><u>(</u><u>a</u><u> </u><u>+</u><u> </u><u>b</u><u> </u><u>)</u><u> </u><u>(</u><u>a</u><u> </u><u>-</u><u> </u><u>b</u><u> </u><u>)</u><u> </u><u>=</u><u> </u><u>a²</u><u> </u><u>-</u><u> </u><u>b²</u>










✧ Basic Formulas of Trigonometry is given by :-


✧ Figure in attachment

Answer:
c) l x - 5 l - 4
Step-by-step explanation:
when you're graphing functions whatever is inside the paranthesis, square root or absolute value determines whether you go left or right, if its a negative you go to the right, if its positive you go to the left. So the opposite of what you would expect it to go
in this instance its - 5, so you go 5 units to the right
and the number outside determines if you go up or down, in this question its - 4 so you go down 4 units
Answer:
315 ft^2
Step-by-step explanation:
There are 108 degrees in each interior angle of a regular pentagon .
I hope that's help !
Answer:
18 centimeters
Step-by-step explanation:
The formula for finding the perimeter is side + base+side . There for you do 6+6+6
that gives you 18