1. sine of y is 3/5 2. cosine of y is 4/5 3. tangent of y is 3/4 4. sine of x is 4/5 5. cosine of x is 3/5 An easy way to remember this is SOH CAH TOA Sine Opposite over Hypotenuse Cosine Adjacent over Hypotenuse Tangent Opposite over Adjacent
Answer from: Quest
the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula: