Prove that :
Cos A sin A
————— - ——————
1 + tan A 1 + cot A
is equal to cos A - sin A
Answers
Answered by
1
cosA
+
1−cotA
sinA
1−
cosA
sinA
cosA
+
1−
sinA
cosA
sinA
cosA−sinA
cos
2
A
−
cosA−sinA
sin
2
A
cosA−sinA
cos
2
A−sin
2
A
cosA−sinA
(cosA+sinA)(cosA−sinA)
sinA+cosA
Answered by
1
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