The identity Sin(α)/Tan(α) = Cos(α) is valid
Trigonometry is study of triangles. All trigonometric ratios are defined using the sides of the right triangle, such as an adjacent side, opposite side, and hypotenuse side. Three major of them are as follows :-
Sine Function:
sin(θ) = Opposite / Hypotenuse
Cosine Function:
cos(θ) = Adjacent / Hypotenuse
Tangent Function:
tan(θ) = Opposite / Adjacent
Lets prove this identity by proceeding with the LHS
= Sin(α)/Tan(α)
= Sin(α)/ (Sin(α)/Cos(α)) (Tan(α) = Sin(α)/Cos(α))
= Sin(α)xCos(α) / Sin(α)
= Cos(α)
Hence verified
Learn more about Trigonometric Ratios here :
brainly.com/question/13776214
#SPJ4
Answer:
B and E
Step-by-step explanation:
trust me its correct
Answer: 113.1in
The formula of finding the circumference is 2πr.
That being said, the radius is 18in.
Pi (π) is 3.14.
With all of that being said, we can multiply now.
2 × 3.14 × 18 = 113.09734 = 113.1
Hence 113.1 is the answer.
Answer:
4.4 lb. of pepperoni, 13.2 lb. of ham, and 26.4 lb. of turkey
Step-by-step explanation:
It is given that the triangle is isosceles right triangle . And in an isosceles right triangle the legs are equal . Let each leg be of x units. Now we use pythagorean identity, which is
So the length of each leg is 
