Answer:
see explanation
Step-by-step explanation:
Using the trigonometric identity
sin²x + cos²x = 1 , then
sin²x = 1 - cos²x and cos²x = 1 - sin²x
Consider the left side
← expand numerator/denominator using FOIL
=
=
=
=
= cot²A = right side , thus proven
Answer:
square numbers are numbers raised up to the power of two in essence the number multiplied by it self
Answer:
CD = 25 ft
Step-by-step explanation:
(Corresponding sides of similar triangles are in proportion)
3×4×5 is 60 I think it help u