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related to: sec

1. ### Struggling with a math question any help would be appreicated.?

11.854 ft greatest height  =  13 ft  . . . at t = 5 sec

1 Answers · Science & Mathematics · 17/01/2021

2. ### Math: Trigonometry?

Use the trig identity sin² A  + cos² A = 1 49/65 + cos² A = 1 cos² A = 1 - 49/65 cos² A = 16/65 cos A = 4/√65 sec A = 1/ cos A sec A = √65/4

1 Answers · Science & Mathematics · 16/01/2021

3. ### find values of six trigonometric functions of theta.?

... quadrant. cos(t) = -sqrt(2)/2, sin(t) = -sqrt(2)/2, tan(t) = 1, cot(t) = 1, sec (t) = -sqrt(2), csc(t) = -sqrt(2). #10.  Angle is in the 4th quadrant...

1 Answers · Science & Mathematics · 07/01/2021

4. ### What is the range of a cannon that fires its cannonballs with an initial velocity of 291.0 ft/ sec at an angle of 45°?

In imperial units g = 32.174 ft/s² d = v² sin 2θ / g d = 291² * sin(2*45°) / 32.174 = 2632 ft = 877yd 1ft In SI g = 9.807 m/s² v = 88.7 m/s d = v² sin 2θ / g d = 88.7² * sin(2*45°) / 9.807 = 802.3 m Derivation of formula In...

1 Answers · Science & Mathematics · 14/12/2020

5. ### I'm stuck at this math question?

...(t) = 0, so, 5t^2 = 180 t^2 = 36 (and we only need positive time t) t = 6 secs 6) Dropped means no initial velocity. v(t) = dS/dt = gt = -10t...

3 Answers · Science & Mathematics · 05/01/2021

6. ### If cotθ=3/4 , which of the following is NOT true?

If cot θ = 3/4,  which of the following is NOT true? Answer: a. sec θ = 4/5

3 Answers · Science & Mathematics · 16/12/2020

7. ### Need help with related rates question?

h²= x² + y² x= 4 + 3*3= 13 17²= 13² + y²; y= √120= 2√30 h*dh/dt= x*dx/dt + y*dy/dt 0= 13*3 + 2√30*dy/dt dy/dt= -39/(2/√30)≈ -3.56 ft/ sec

1 Answers · Science & Mathematics · 07/12/2020

V' = 4 π r² r '......- 40π cm³ / sec

1 Answers · Science & Mathematics · 05/12/2020

9. ### Can someone please explain this calculus question? ?

...   =  ∫  F * distance  ρgdV = Force   [ kg/m^3 ] * ( m/ sec ^2 ) * { m^3 } = kg m/ sec ^2 = Newtons...  ρ = density 1000 kg/m^3...

2 Answers · Science & Mathematics · 03/12/2020

10. ### Can someone explain the calculus problem?

int over [ - π / 3 , π / 3 ] of { π [ ( 6 - 4)² - (4 + sec x - 4)² ] dx }

1 Answers · Science & Mathematics · 27/11/2020