Cos 65°/sin 25°- tan 20°/70°-sin90°+tan5°+tan35°+tan60°+tan55°+tan85°
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answers is 10 I think
YerunkarAS:
how
by solving
can you explain it in brief
in log table of trigo the sin25 and cos 5 like ratios are not given then how it is possible to derive answer
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