I say it’s D but i need reassurance
1 answer:
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The statement EF=2.GF (Option A) and the statement
(Option C) are true for the ΔEFG.
The six trigonometric ratios of a right-angle triangle are Sin, Cos, Tan, Cosec, Sec and Cot. Trigonometric ratios are used to measure the sides of the right triangle.
Given that in ΔEFG, m∠E=30°, m∠F=60° and m∠G=90°.
Wow, sin 30°
⇒
⇒EF=2.GF
and sin 60°
⇒
⇒
Therefore, the statement EF=2.GF (Option A) and the statement (Option C) are true for the ΔEFG.
To learn more about trigonometric ratios visit:
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Answer:
a). converges
b). diverges
c). converges
Step-by-step explanation:
{ } = {
}
Using radio test,
L =
=
=
=
= |r|
Therefore, converges in |r| < 1
a). r = 1/5
This sequence is monotonically decreasing and bounded.
0 < < 1
Hence, { } converges.
b). r = 1
{ } = { n }
This sequence is monotonically increasing sequence which is not bounded.
Hence, { } diverges.
c). r = 1/6
This sequence is monotonically decreasing and bounded.
0 < < 1
Hence, { } converges.
For |r| < 1, the converges.