prove that cos(a)-cot(a) = sec(a)+tan(a)
Answers
Answered by
1
Step-by-step explanation:
LHS cotA+tanA
=
sinA
cosA
+
cosA
sinA
=
sinAcosA
cos
2
A+sin
2
A
=
sinAcosA
1
{∵sin
2
x+cos
2
x=1}
=cosecAsecA
=RHS Hence proved
Similar questions