Question

[COS A /COT A +SINA ]
IS
A) cot a
B)2 sinA
C)2cos A
D)Sec A

Answer 1

Answer:

B) 2 sin A

Explanation:

cos A/ cot A + sin A

={cos A/(cos A÷sin A) } + sin A

={cos A ×sin A /(cos A) } + sin A

=sin A + sin A

=2 sin A