cos A / 1 + sin A + 1 +sin A / cos A = 2sec A
Answers
Answered by
1
Answer:
2secA=RHS
Step-by-step explanation:
LHS=
1−sinA
cosA
+
1+sinA
cosA
=
(1−sin
2
A)
cosA(1+sinA+1−sinA)
=
cos
2
A
2cosA
=
cosA
2
=2secA=RHS
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