cos2-sin2/sincos=cot-tan
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Hey !!!
solution :-
From LHS
cos²A - sin²A / sinA cosA
or, cos²A /sinA cosA - sin²A/sinA cosA
or, cosA / sinA - sinA /cosA
but we know that , cosA / sinA = cotA
and , sinA / cosA = tanA
since , cotA - tanA
LHS = RHS prooved ♻
_______________________
Hope it helps you !!!
@Rajukumar111
solution :-
From LHS
cos²A - sin²A / sinA cosA
or, cos²A /sinA cosA - sin²A/sinA cosA
or, cosA / sinA - sinA /cosA
but we know that , cosA / sinA = cotA
and , sinA / cosA = tanA
since , cotA - tanA
LHS = RHS prooved ♻
_______________________
Hope it helps you !!!
@Rajukumar111
smrithi1235:
1+cos2/sin2=2 cosec2-1
can u help me with this also....
thanku
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