evatulate the following :sin60°.cos30°+sin30°.cos60°
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sin60° . cos30° + sin30° . cos60°
sin60° . cos (90°-60° ) + sin (90°-60°) . cos60°
sin60° . sin60° + cos60° . cos60°
sin^260° + cos^260°
( sin^2theta + cos^2theta =0)
1
therefore the answer is 1
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