cot A - 1 / 2 - sec² A = cot A / 1 + tanA
Answers
Answered by
3
Step-by-step explanation:
Notice,
LHS=cotA−12−sec2A
=1tanA−12−(1+tan2A)
=1−tanAtanA1−tan2A
=1−tanAtanA(1−tan2A)
=1−tanAtanA(1−tanA)(1+tanA)
=1tanA(1+tanA)
=cotA1+tanA
=RHS
Answered by
1
Answer:
upar wala answer sahi hai
Similar questions