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Funkcje trygonometryczne kąta ostrego

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.
a)

sinα=bc\sin\alpha=\frac{b}{c}

b)

sinα=ac\sin\alpha=\frac{a}{c}

c)

sinα=ba\sin\alpha=\frac{b}{a}

d)

sinα=ab\sin\alpha=\frac{a}{b}

2.
a)

sinα=xr\sin\alpha=\frac{x}{r}

b)

sinα=yr\sin\alpha=\frac{y}{r}

c)

sinα=xy\sin\alpha=\frac{x}{y}

d)

sinα=yx\sin\alpha=\frac{y}{x}

3.
a)

sinβ=bc\sin\beta=\frac{b}{c}

b)

sinβ=ac\sin\beta=\frac{a}{c}

c)

sinβ=ba\sin\beta=\frac{b}{a}

d)

sinβ=ab\sin\beta=\frac{a}{b}

4.
a)

cosβ=bc\cos\beta=\frac{b}{c}

b)

cosβ=ac\cos\beta=\frac{a}{c}

c)

cosβ=ba\cos\beta=\frac{b}{a}

d)

cosβ=ab\cos\beta=\frac{a}{b}

5.
a)

cosα=bc\cos\alpha=\frac{b}{c}

b)

cosα=ac\cos\alpha=\frac{a}{c}

c)

cosα=ba\cos\alpha=\frac{b}{a}

d)

cosα=ab\cos\alpha=\frac{a}{b}

6.
a)

tgα=bctg\alpha=\frac{b}{c}

b)

tgα=actg\alpha=\frac{a}{c}

c)

tgα=batg\alpha=\frac{b}{a}

d)

tgα=abtg\alpha=\frac{a}{b}

7.
a)

tgβ=bctg\beta=\frac{b}{c}

b)

tgβ=actg\beta=\frac{a}{c}

c)

tgβ=batg\beta=\frac{b}{a}

d)

tgβ=abtg\beta=\frac{a}{b}

8.
a)

sinβ=xr\sin\beta=\frac{x}{r}

b)

sinβ=yr\sin\beta=\frac{y}{r}

c)

sinβ=xy\sin\beta=\frac{x}{y}

d)

sinβ=yx\sin\beta=\frac{y}{x}

9.
a)

cosβ=xr\cos\beta=\frac{x}{r}

b)

cosβ=yr\cos\beta=\frac{y}{r}

c)

cosβ=xy\cos\beta=\frac{x}{y}

d)

cosβ=yx\cos\beta=\frac{y}{x}

10.
a)

cosα=xr\cos\alpha=\frac{x}{r}

b)

cosα=yr\cos\alpha=\frac{y}{r}

c)

cosα=xy\cos\alpha=\frac{x}{y}

d)

cosα=yx\cos\alpha=\frac{y}{x}

11.
a)

tgβ=xrtg\beta=\frac{x}{r}

b)

tgβ=yrtg\beta=\frac{y}{r}

c)

tgβ=xytg\beta=\frac{x}{y}

d)

tgβ=yxtg\beta=\frac{y}{x}

12.
a)

tgα=xrtg\alpha=\frac{x}{r}

b)

tgα=yrtg\alpha=\frac{y}{r}

c)

tgα=xytg\alpha=\frac{x}{y}

d)

tgα=yxtg\alpha=\frac{y}{x}