C-09-Q043mediumsingle_mcq

The three primary trigonometric ratios are—

a $\sin, \cos, \tan$
b $\operatorname{cosec}, \sec, \cot$
c $\sin, \sec, \tan$
d $\cos, \cot, \operatorname{cosec}$

ব্যাখ্যা

$\sin$ , $\cos$ and $\tan$ are the three primary (basic) trigonometric ratios, from which $\operatorname{cosec}$ , $\sec$ and $\cot$ are derived as their reciprocals. The latter set are the secondary ratios.

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Trigonometric Ratio — সব প্রশ্ন দেখুন (217টি) →

The three primary trigonometric ratios are—

\sin, \cos, \tan

\operatorname{cosec}, \sec, \cot

\sin, \sec, \tan

\cos, \cot, \operatorname{cosec}