Answer
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Step-by-step explanation:
Answer:
D.
Step-by-step explanation:
1) the domain is x∈[0;+∞);
2) the solution is:
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3) finally, the solution with the domain is:
x∈[0;100].
Answer:
If you've learnt sin(A+B) = sinAcosB + cosAsinB,
sin(4u)
= sin(2u+2u)
= sin(2u)cos(2u) + cos(2u)sin(2u)
= 2 sin(2u) cos(2u).