Mathematics · Trigonometry

If sin(5A) = cos(A - 42°), where 5A is an acute angle, find the value of A.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

121°
222°✓
320°
423°

Correct answer

22°

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If sin(5A) = cos(A - 42°), where 5A is an acute angle, find the value of A.

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If sin(5A) = cos(A - 42°), where 5A is an acute angle, find the value of A.

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