The value of cos35°-cos85°+cos155° is
l want the problem with steps
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cos 155 = -cos 35
therefore answer is -cos85
therefore answer is -cos85
venkat0071:
sorry the answer is wrong
the answer is 0
l want steps for the answer
oh yeah i thought it is 145
ok
every human being will make a wrong
don't worry
try next time
check once if question is correct
i think so there should be cos 95 instead of cos 85
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