Find the exact value of the trigonometric expression without the use of a calculator.If sin ? = - , ? < ? <  and tan ? = -  < ? < ?, find the exact value of cos (? + ?).

A.
B.
C.
D.


Answer: B

Mathematics

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Use the figure to answer the question.Marriage Licenses Issued (Each circle represents 20,000 licenses)How many more licenses are issued in June than in July?

A. 40,000 B. 70,000 C. 30,000 D. 50,000

Mathematics

Determine the number by which both sides of the equation must be multiplied or divided, as specified, to obtain just x on the left side.-x = 0.93; divided

A. 0.93
B.
C. -1
D.

Mathematics

Use the graph to determine the function's domain and range. Write the domain and range in interval notation.

A. domain: x = 
range: (-?, ?)
B. domain: (-?, ?)
range: (-?, ?)
C. domain: (-?, ?)
range: y = 5
D. domain: x = 
range: y = 5

Mathematics

f (x) = tan (2x)sec(x)

Differentiate.

Mathematics