We use the identity sin (A - B) = sin A cos B - cos B sin A
so the above = sin (11pi/12 - pi/6) = sin 3pi/4 = 1 / sqrt2 answer
Answer: D
Step-by-step explanation:
Answer:
26y
Step-by-step explanation:
26y and 52y.
13*2*y and 13*2*2 *y
Common is 13*2*y
or 26y
Hope this helps!
Answer:
127.5
Step-by-step explanation:
The given series is 26 + 24.5 + 23 + 21.5 + ... - 17.5
The first term of this series is a=26
The common difference is d=24.5-26=-1.5
The last term of the series is -17.5
The nth term is given by:




n=30
The sum of the series:



Answer:
q =1
Step-by-step explanation:
q=17-18
.•. q=1
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