find the value of -cosπ/2
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- cos ( π/2)
=> -cos(180/2)
=> - cos90°
=> 0 Answer ..
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=> -cos(180/2)
=> - cos90°
=> 0 Answer ..
☺☺☺☺☺☺☺☺☺☺☺☺
thakuraditya123:
yours answer is wrong
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