— 35 —

Tafel

der gebräuchlichsten trigonometrischen Formeln.

5!» g^ -I- cor g" --2 (io)

rrn g cor d NN d cor gl

rrn (g k> ---cor (g-r- k>) -----

cor g cor k> -x--rrn g rrn k>!

(-^)

( 27 )

NN a cor k> ^ Ik srrrr (g -t- d) -i- rrn (g— b>)^

cor g rin d — ^ k s^rrn (g -1- 1z) — rrn (g — k>)^

cor g cor d ----- ^ Ik s^cor (g -t- d) -^- cor (g— k>)^

rrn g rrn d ^ kk ^cor (g -l- d) — cor (g— k>)^.

2

rrn g -l- rrn d --- ---rrn ^ (g-1-d) cor ^ (g— d)rrrr L — rrn d — cor (g -t- d) rrn z (g — k>)

cor g-t-cord — cor-l (g-l-d) cor ^ (a— d)

2 g

cor g— cor d--- — — rrn ^ (g-i-d) rrrr ^ (g—d) I

2 rrn g cor g . ^---

nn2g —-—(>r> nn^g —^s/2kc-— 2 kcorg (iz)

( 27 )

cor 2 g

— rrrr g/

2 cor g2 — R.-

d

I'.

(-i)

rrn g^ — ^ kl (11.— cor2s) (27)cor g" — t II (k -1- cor 2 a) ( 27 )

- g" — rr'nd^—cord"—corg"—rrn(g-t-k)rrn(g—d) (r 1,10)cor g" — rrn d" — cor (g-j-d) cor (g— d) (n, 10)

kl cor g" 77 — ( 9 )

kl rrn g II^

t»- g --- -— ( g ) ^ cor g -- -

t? g

cor g

rec g -----

d'

kl"

cor g

rrn g

(3)

^ (g-^-d) — ^ (a — k) ^ ^ (kF n -i- rx d)

coc(g^lz) " «2--

kl ^ -i-: g r^ d

C 2