tan (90° - A) tanA + cot A (90° - A ) cot A = 2
Matematika
FransIdaratun
Pertanyaan
tan (90° - A) tanA + cot A (90° - A ) cot A = 2
1 Jawaban
-
1. Jawaban BSunShine
Tan (90° - A ) tan A + cot (90° - A) cot A = 2
Cot A . Tan A + tan A . Cot A
1 / tan A . Tan A + tan A . 1/tanA
Tan A / tanA + tanA/ tanA
1 + 1
2
Terbukti !!!