1) 2sin theta. cos theta = 1 then, find sin theta - cos theta 2) tan 50° = x and cot ( theta + 5° ) = 1 then, sec(90° - theta) = ?
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1) 2sin theta. cos theta = 1 then, find sin theta - cos theta 2) tan 50° = x and cot ( theta + 5° ) = 1 then, sec(90° - theta) = ?
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