Identify the equation as either an identity or not.sin 
= sin A + cos A
A. Identity
B. Not an identity
Answer: B
Mathematics
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Express the value of the inverse hyperbolic function in terms of natural logarithms.coth-1 
A. 
ln -15
B. 
ln 120
C. 0
D. 
ln 15
Mathematics
Graph the function.f(x) = ln x - 2 
A. 
B. 
C. 
D. 
Mathematics
Write the expression as a product of a whole number and a power of 10. Use an exponent to represent the power of 10.100,000,000
A. 1 × 107 B. 1 × 108 C. 1 × 109 D. 1 × 106
Mathematics
Solve the system of equations using the addition method.
A. (2, 1) B. (2, 0) C. (1, 1) D. No solution
Mathematics