Prove the identity.
= 2sec2 - 1
What will be an ideal response?
Answers may vary. One possible solution is:
= sec2x + tan2x = sec2x + (sec2x - 1) = 2sec2 - 1
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Solve the problem using inductive reasoning.When the numbers in the sequence of n-agonal numbers are divided by n, the sequence of remainders obtained is a repeating sequence. Verify this for n = 7 and find the repeating sequence of remainders.
What will be an ideal response?
Perform the necessary operations.3 + 18 - 19
A. 4 B. -34 C. 2 D. -2
Graph.f(x) = 4x + 1
A. 
B. 
C. 
D. 
Of 120 clock radios sold recently in a department store, 110 had FM circuitry, and 100 had AM circuitry.
How many radios had both FM and AM circuitry? __________ How many could receive FM transmission only? __________ How many could receive AM transmission only? __________