Answer:
tana + tanb
Step-by-step explanation:
Using the trigonometric identities
• sin(a + b) = sinacosb + cosasinb
• tanx = , then
=
= +
= +
= tana + tanb
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1 answer:
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(1) pounds of soil (2)
(3) 33
Solution:
(1) Number of pots = 5
Quantity of soil each pot can hold = pounds
Quantity of soil need to fill all the pots =
= pounds
= pounds
Therefore, pounds of soil need to fill all of the pots.
(2) To find the product of and
.
Let us first convert the mixed fraction into improper fraction.
This can be simplified. Divide both numerator and denominator by 6.
(3) To evaluate the expression 12x + 6 for .
Let us first convert the mixed fraction into improper fraction.
12x + 6 = 33