In the Fig.8.12, ZR is the right angle of
A PQR. Write the following ratios.
(i) sin P (ii) cos Q (iii) tan P (iv)

In the Fig.8.12, ZR is the right angle of
A PQR. Write the following ratios.
(i) sin P (ii) cos Q (iii) tan P (iv) tan Q
Fig. 8.12
b
Y
In the right angled A XYZ, ZXYZ=90° and
a,b,c are the lengths of the sides as shown in
the figure. Write the following ratios,
(i) sin X (ii) tan Z (iii) cos X (iv) tan X.
c
Z
Fig. 8.13
SO
In right angled ALMN, ZLMN = 90°
ZL = 50° and N = 40°,
write the following ratios.
(i) sin 50°
(ii) cos 50°
(iii) tan 40°
(iv) cos 40°
Fig. 8.14​

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