Which of the following trigonometric ratios have the value equal to 0-5-Sin 30- nbsp-Cos 30- nbsp-Sin 60- nbsp-Cos 60- nbsp-

The correct options are A Sin 30° nbsp; D Cos 60° nbsp;We know that, the value of Sin 30° = nbsp;1/2 Cos 30° = √(3)/2 Sin 60° = nbsp;√(3)/2 Cos 60° = ...

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Standard X

Mathematics

Trigonometric Table

Which of the ...

Question

Which of the following trigonometric ratios have the value equal to 0.5?

Sin 30°

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Cos 30°

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Sin 60°

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Cos 60°

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Solution

The correct options are
A Sin 30°
D Cos 60°
We know that, the value of
$S i n 30 ° = \frac{1}{2} C o s 30 ° = \frac{\sqrt{3}}{2} S i n 60 ° = \frac{\sqrt{3}}{2} C o s 60 ° = \frac{1}{2}$

So, Sin 30° and Cos 60° has the value equal to 0.5.

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Similar questions

Q. Verify each of the following:
(i) sin 60° cos 30° − cos 60° sin 30° = sin 30°
(ii) cos 60° cos 30° + sin 60° sin 30° = cos 30°
(iii) 2 sin 30° cos 30° = sin 60°
(iv) 2 sin 45° cos 45° = sin 90°

Q. The value of

cos 30^{\circ} cos 60^{\circ} - sin 30^{\circ} sin 60^{\circ}

is equal to

Q. The value of

sin 60^{\circ} cos 30^{\circ} + cos 60^{\circ} sin 30^{\circ}

is equal to

Q. Find the value of the following

(i) sin 60^{\circ} cos 30^{\circ} + cos 60^{\circ} sin 30^{\circ}

(i i) cos 30^{\circ} cos 60^{\circ} - sin 30^{\circ} sin 60^{\circ}

Q. Find the value of θ in the following : cos 2θ = cos 60° cos 30° + sin 60° sin 30°

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Which of the following trigonometric ratios have the value equal to 0.5?

The correct options are A Sin 30° D Cos 60° We know that, the value of Sin 30°=12Cos 30°=√32Sin 60°=√32Cos 60°=12 So, Sin 30° and Cos 60° has the value equal to 0.5.

The correct options are
A Sin 30°
D Cos 60°
We know that, the value of
$S i n 30 ° = \frac{1}{2} C o s 30 ° = \frac{\sqrt{3}}{2} S i n 60 ° = \frac{\sqrt{3}}{2} C o s 60 ° = \frac{1}{2}$

So, Sin 30° and Cos 60° has the value equal to 0.5.