Question

Q.) sin 91° + sin 1° / sin 91° - sin 1°

A) tan 46°
B) sin 46°
C) 1
D) cot 46°
E) cos 46°​

Answer 1

Answer:

D)tan 46⁰

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Answer 2

Answer: A) tan46°

Step-by-step explanation:

(sin 91° + sin 1°) / (sin 91° - sin 1°)

=(sin (46+45)° + sin (46-45)°) / (sin (46+45)° - sin (46-45)°)

=(2sin46°cos45°) / (2cos46°sin45°)

= sin46° (1/√2) / cos46° (1/√2)

= sin46° / cos46°

= tan46°