yang bisa minta tolong dongg:v

Trigonometri


cos θ = x
Maka
sisi depan θ
= √1-x^2
sin θ = √1-x^2

tan θ
= √1-x^2 / x

sin θ cos θ
= x√1-x^2

tanθ + sin θ cos θ
=( sin θ / cos θ) + sinθ cosθ
= sinθ. + sin θ cos^2 θ / cosθ
= √1-x^2 + x^2√1-x^2/ x
= (1+x^2) (√1-x^2) / x

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