Question

Evaluate : (1) sin60*cos30-cos60*sin30.

Answer 1

Heya !!



Sin60° = ✓3/2

Cos 30° = ✓3/2


Cos60° = 1/2


And,


Sin30° = 1/2



Therefore,


Sin60° × Cos30° - Cos60° × Sin30°



=> ( ✓3/2 × ✓3/2 - 1/2 × 1/2 )


=> (3/4 - 1/4) = 1/2


★ HOPE IT WILL HELP YOU ★

Answer 2

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