Mathematics · Trigonometry

Using the formula cos(A + B) = cos A cos B - sin A sin B, find the value of cos 75°.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

√6 - √2 4

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Using the formula cos(A + B) = cos A cos B - sin A sin B, find the value of cos 75&deg;.