Use a graphing calculator to make a conjecture as to whether each equation is an identity.(sin x + cos x)2 = 1
A. Identity
B. Not an identity
Answer: B
Mathematics
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Verify the identity.
= sin ? sin ?
What will be an ideal response?
Mathematics
Find the following using a calculator. Round to four decimal places.log 68
A. 4.7195 B. 4.2195 C. 1.8325 D. 1.3325
Mathematics
Evaluate the expression.|10(-2)| - |1 - 8|
A. -27 B. 27 C. -13 D. 13
Mathematics
Find the nth term {an} of the geometric sequence. When given, r is the common ratio.a = -2; r = -6
A. an = -2 ? (-6)n B. an = -2 ? (-6)n-1 C. an = -2 ? 6n D. an = -6 ? (-2)n-1
Mathematics