Class-X Trigonometry part-14 by Rahimuddin Sheikh
Solving some problems by using complementary angles. 1. Evaluate : (i) sin 18°/ cos 72° (ii) tan 26°/ cot 64° (iii) cos 48°- sin 42° (iv) cosec 31°- sec 59° Watch the video link of part-13- • Class-X Trigonometry part-13 by Rahimuddin...
