Find the value of tan (65- A) - cot (25 - A)
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it is your solution.
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Two ways to do it
first one is directly by the use of formulas tan(a-b) and cot(a-b)
METHOD 2:
tan(65-a)-cot(25-a)
=tan(90-(25+a))-cot(25-a)
=cot(25+a)-cot(25-a)
done.
maybe ur qn is incorrect.
either 65+a should have been there or 25+a.
first one is directly by the use of formulas tan(a-b) and cot(a-b)
METHOD 2:
tan(65-a)-cot(25-a)
=tan(90-(25+a))-cot(25-a)
=cot(25+a)-cot(25-a)
done.
maybe ur qn is incorrect.
either 65+a should have been there or 25+a.
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