Question

If tan theta=12/5,calculate sin theta,cos theta and verify sin square theta+cos square theta=1​

Answer 1

Answer:

Tanθ = 12/5 = Opposite side to θ/Adjacent side to θ. ... Cosθ = Adjacent side to θ/Hypotenuse = 5/13. Sin²θ + Cos²θ = (12/13)² + (5/13)² = 144 + 25/169 = 169/169 = 1.

2 votes

Answer 2

$\frac{1}{ \cos(c) } = ?$