Express the following in terms of angle between 0° and 45°: sin 59° + tan 63°

Express the following in terms of angle between 0° and 45°:

sin 59° + tan 63°

Sum

sin 59° + tan 63°

= sin(90 - 31)° + tan(90 - 27)°

= cos 31° + cot 27°

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