What is the solution to the linear equation? Show your work. -12 + 3b - 1 = -5 - b
2 answers:
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Answer:
see explanation
Step-by-step explanation:
Using the trigonometric identity
• 1 + cot²x = csc²x
Consider the left side
x -
x
Factorise as a difference of squares
= (csc²x - cot²x)(csc²x + cot²x)
= (1 + cot²x - cot²x)(csc²x + cot²x)
= csc²x + cot²x
= csc²x + csc²x - 1
= 2csc²x - 1 = right side ⇒ verified
Answer:
The surface area of the structure is
Step-by-step explanation:
we know that
The surface area of a sphere is equal to
In this problem we have
-----The radius is half the diameter
substitute