Evaluate -cos 48-sin 42-

Cos 48^∘ sin 42^∘ = cos (90^∘ 42^∘) sin 42^∘ = sin 42^∘ sin 42^∘= 0 (As, cos (90^∘ A) = sin A) ...

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Complementary Trigonometric Ratios

Evaluate :cos...

Question

Evaluate :
$cos 48^{\circ} - sin 42^{\circ}$ ___

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Solution

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