Evaluate -cosec 31- 59-

Cosec 31^∘ sec 59^∘ = cosec (90^∘ 59^∘) sec 59^∘ = sec 59^∘ sec 59^∘= 0 Since cosec (90^∘ A) = sec A and sec (90^∘ A) = cosec A) ...

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Standard X

Mathematics

Complementary Trigonometric ratios

Evaluate :cos...

Question

Evaluate :
$c o s e c 31^{\circ} - s e c 59^{\circ}$ ___

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Solution

$c o s e c 31^{\circ} - s e c 59^{\circ}$
$= c o s e c (90^{\circ} - 59^{\circ}) - s e c 59^{\circ}$
$= s e c 59^{\circ} - s e c 59^{\circ} = 0$
$Since c o s e c (90^{\circ} - A) = s e c A and s e c (90^{\circ} - A) = c o s e c A)$

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Evaluate : cosec31∘−sec59∘___

cosec 31∘−sec 59∘ =cosec (90∘−59∘)−sec59∘ =sec 59∘−sec 59∘=0 Since cosec(90∘−A)=secA and sec(90∘−A)=cosecA)

Evaluate :
$c o s e c 31^{\circ} - s e c 59^{\circ}$ ___

$c o s e c 31^{\circ} - s e c 59^{\circ}$
$= c o s e c (90^{\circ} - 59^{\circ}) - s e c 59^{\circ}$
$= s e c 59^{\circ} - s e c 59^{\circ} = 0$
$Since c o s e c (90^{\circ} - A) = s e c A and s e c (90^{\circ} - A) = c o s e c A)$