The value pie/2 is a solution for the equation 2sin^2x-sinx-1=0
true or false
1 answer:
Answer:
Yes,
is a solution
Step-by-step explanation:
Recall that
. By replacing
in the given trigonometric equation, we get 0 (zero) as a result, so this value is a solution:

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Answer:
12.5
Step-by-step explanation:
4.5 - 3 = 1.5, so 11 + 1.5 = 12.5
Answer:
Part A: -2.5
Part B: -1
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20 greater than or equal to X less than or equal to 60
20 _
Answer:
21
Step-by-step explanation:
Because h(3) times h(7) is equal to 21.
Hope it helps!