please answer this question
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cos 255 + sin 165
cos(90+165) + sin165
-sin165 + sin165. ( since cos(90+a)= -sina )
= 0
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cos(90+165) + sin165
-sin165 + sin165. ( since cos(90+a)= -sina )
= 0
HOPE IT HELPS YOU....! add this answer as BRAINLIEST
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