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Solution - Trigonometric Ratios of Some Specific Angles

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Question

Evaluate the following in the simplest form:

sin 60º cos 30º + cos 60º sin 30º


Solution

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Similar questions

Evaluate the following expression:

(i) `tan 60º cosec^2 45º + sec^2 60º tan 45º`

(ii) `4cot^2 45º – sec^2 60º + sin^2 60º + cos^2 90º.`

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

The value of sinθ increases as θ increases

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Evaluate the following in the simplest form:

sin 60º cos 45º + cos 60º sin 45º

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

The value of cos θ increases as θ increases

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Choose the correct option and justify your choice.

`(1- tan^2 45°)/(1+tan^2 45°) `

(A) tan 90°

(B) 1

(C) sin 45°

(D) 0

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