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Find the value of cos 75^(@)...

Find the value of `cos 75^(@)`

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To find the value of \( \cos 75^\circ \), we can use the cosine addition formula. Here’s the step-by-step solution: ### Step 1: Express \( 75^\circ \) as a sum of two angles We can express \( 75^\circ \) as \( 30^\circ + 45^\circ \). ### Step 2: Use the cosine addition formula The cosine addition formula states: \[ ...
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