Answer:
Step-by-step explanation:
Given
Width of the rectangle
Length of the rectangle
The area of rectangle
=
208.02 m
416.03 m
0.52 m
208.19 m
(1 + cot A + tan A) (sin A - cos A) = sin A tan A - cot A cos A
Answer:
see explanation
Step-by-step explanation:
Using the trigonometric identities
tan A = , cot A =
Consider the left side
(1 + cotA + tanA)(sinA - cosA)
each term in the second factor is multiplied by each term in the first factor.
1(sinA - cosA) + cotA(sinA - cosA) + tanA(sinA - cosA)
= sinA - cosA + cosA - + - sinA ( collect like terms )
= -
= ( sinA × ) - ( × cosA )
= sinAtanA - cotAcosA
= right side ⇒ proven