Evaluate : (1) sin60*cos30-cos60*sin30.
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Answered by
4
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 ★
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 ★
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5
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