Τριγωνμετρια Β κατ./ βιβλιου Quiz: 8 Practice Questions

8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$ημ5𝑥συν3𝑥+συν5𝑥ημ3𝑥=$

$ημ8𝑥$

$συν8𝑥$

$ημ2𝑥$

$συν2𝑥$

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Αν σε τρίγωνο 𝛢𝛣𝛤 ισχύει η σχέση συν𝛢 συν𝛣 − ημ𝛢 ημ𝛣 = 0, τότε:

Η γωνία Γ ισούται με $\frac{\pi}{2}$

Οι γωνίες Α και Β ισούνται

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$σφ(α−\ \frac{\pi}{4})=$

$\frac{σφα−1}{1+σφα}$

$\frac{σφα+1}{1-σφα}$

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$συν2𝑎=$

$2ημ^2𝑎−1$

$2συν^2𝑎−1$

$ημ^2𝑎−συν^2𝑎$

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$2ημ(\ \frac{\pi}{4}−𝑥)συν(\ \frac{\pi}{4}−𝑥)=$

η μ2𝑥

συν2𝑥

− ημ2𝑥

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$συν^24𝑥=$

$\frac{1+συν2𝑥}{2}$

$\frac{1+συν8𝑥}{2}$

$\frac{1-συν8𝑥}{2}$

$\frac{1-συν2𝑥}{2}$

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$ημ^2(\ \frac{x}{2})=$

$\frac{1+συν2𝑥}{2}$

$\frac{1-συν2𝑥}{2}$

$\frac{1-συν𝑥}{2}$

$\frac{1+συν𝑥}{2}$

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$εφ^23𝑥=$

$\frac{1−συν6𝑥}{1+συν6𝑥}$

$\frac{1−ημ6𝑥}{1+ημ6𝑥}$

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Τριγωνμετρια Β κατ./ βιβλιου

ημ5𝑥συν3𝑥+συν5𝑥ημ3𝑥=ημ5𝑥συν3𝑥+συν5𝑥ημ3𝑥=ημ5xσυν3x+συν5xημ3x=

Αν σε τρίγωνο 𝛢𝛣𝛤 ισχύει η σχέση συν𝛢 συν𝛣 − ημ𝛢 ημ𝛣 = 0, τότε:

σφ(α− π4)=σφ(α−\ \frac{\pi}{4})=σφ(α− 4π​)=

συν2𝑎=συν2𝑎=συν2a=

2ημ( π4−𝑥)συν( π4−𝑥)=2ημ(\ \frac{\pi}{4}−𝑥)συν(\ \frac{\pi}{4}−𝑥)=2ημ( 4π​−x)συν( 4π​−x)=

συν24𝑥=συν^24𝑥=συν24x=

ημ2( x2)=ημ^2(\ \frac{x}{2})=ημ2( 2x​)=

εφ23𝑥=εφ^23𝑥=εφ23x=

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$ημ5𝑥συν3𝑥+συν5𝑥ημ3𝑥=$

$σφ(α−\ \frac{\pi}{4})=$

$συν2𝑎=$

$2ημ(\ \frac{\pi}{4}−𝑥)συν(\ \frac{\pi}{4}−𝑥)=$

$συν^24𝑥=$

$ημ^2(\ \frac{x}{2})=$

$εφ^23𝑥=$