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Solution - Trigonometric Ratios of Some Specific Angles

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Question

Evaluate the following

`(cos 45°)/(sec 30° + cosec 30°)`

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Similar questions

Evaluate the following

2tan245° + cos230° − sin260°

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Find the value of x in each of the following :

(i) tan 3x = sin 45º cos 45º + sin 30º

(ii) cos x = cos 60º cos 30º + sin 60º sin 30º

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State whether the following are true or false. Justify your answer

sinθ = cos θ for all values of θ

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Choose the correct option and justify your choice

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(A) sin 60°

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