In right angled triangle pqr, angle Q is 90° , angle P= 50° and angle r is 40° write the following ratios.
(i) sin 50°
(ii) cos 40°
(iii) tan 50°
(iv) cos 40°
(i) sin 50°
(ii) cos 40°
(iii) tan 50°
(iv) cos 40°
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