April 2019 2 168 Report
Materi : Identitas Trigonometri
Kelas : XI SMA MIPA ( Bab 1 : Persamaan Trigonometri )
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1 . Diketahui sin x cos x = 3/8 . Nilai 1/sin x - 1/cos x adalah ...
a. 1/4
b. 1/2
c. 3/4
d. 4/3
e. 4

2. Bentuk lain dari
(sin α - sin β )( sin α + sin β )
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( cos α cos β )²
adalah ....
a. tan α - tan β
b. tan α + tan β
c. tan² α - tan² β
d. tan² α + tan² β
e. tan³ α - tan³ β

3. Sederhanakan !
a . tan θ . csc θ . cos θ
b. sin θ/cos θ + cos θ/sin θ
c. 1-sec² A / 1-csc² A
d. √1+tan² θ / √1-sin² θ


Dijawab ya kak .... Solve completely manner ...
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