cos(90°-theta) cos theta -sin(90°-theta) sin theta=?
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batullehri5253p7ab4u:
if u like it then plz honour me wid brainliest ans tag
but the options are sin90°,cot45°,cosec45°,cos90°
then sin 90=0
therefore ans is sin 90
now can u mark
my ans as brainliest
No...cos 90°=0....not sin90°=0
ha srry
cos 90
now will u mark my ans brainliest
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