Hitunglah nilai dari a) cot 30° – cosec 30° & b) tan 30° + cot 60°
Jawaban Terkonfirmasi
A) 1/tan30° – 1/sin30° = 1/(√3 / 3) – 1/(1/2) = 3/(√3) – 2
= √3 – 2
b) tan30° + 1/tan60° = √3/3 + 1/(√3) = √3/3 + √3/3 = (2√3)/3