... at verifies the identity. OC. B. sin 9x cos 7x - cos 9x sin 7x = sin (9x – 7x) = sin 2x sin 9x cos 7x - cos 9x sin 7x = sin (9x • 7x) = sin 2x

Q: 14. 1,3,9, Type of Sequence: General Form:

A:

Q: For the sequence 1, 4, 7, 10, .. . its nth term is

A:

Q: Find two different explicit formulas for the sequence {1, -2, 3, -4, -5, ⋅ ⋅ ⋅}.

A:

Q: Write the explicit formula of the sequence 25, 21, 17, 13

A: Given 25,21,17,13 It is in arthematic series Because it has difference 4 for each number.

Q: For the sequence 3, -9, 27, -81, ... determine the general term and t,

A: The given sequence is                                   3, -9, 27, -81, ............ We have to find…

Q: For the sequence an = an-1+ an-2 and a1 = 2, a2 = 3, its first term is 2 its second term is 3 its…

A: Recurrence sequence

Q: determine the closed formula that generates the sequence 1,2,4,8,16,32

A: The given sequence in the question is:

Q: Write the sequence in closed form. Make sure to indicate the domain. 3 %3D aj = 5

A:

Q: The first two numbers in a sequence H are H(1)=2 and H(2)=6. If H is an arithmetic sequence, write…

A: Given : H1 = 2H2 = 6 H is an arithmetic sequence.

Q: the twelfth ,t12 in the sequence 43,37,31,25,..is

A: Given sequence,43 , 37 , 31 , 25 , .........To find: t12

Q: A sequence has a recursive formulatn = tn-1+nº, tị = 5. Determine t3.

A: The given recursive formula of the sequence is: tn=tn-1+n3...(1) And t1=5

Q: The 200th term of the sequence 2,5,8,11 is

A:

Q: What is a sequence?

A: A sequence is a list of things in order.