Solving Trigonometry Problems: Basic, Advanced & Examples

High School
Geometry
Trigonometry

The following conclusion is true. Is the argument valid or invalid?
A scalene triangle has a largest angle.
A scalene triangle has a longest side.
The largest angle in a scalene triangle is opposite the longest side.
Is this argument valid or invalid?
Valid or Invalid

Bernard Boyer 2022-07-30

Find L{f(t)} by first using an appropriate trigonometric identity. L is the symbol for Laplace transformation.
$f (t) = \sin (2 t) \cos (2 t)$
Laplace transform equation: $L {f (t)} = \int_{0}^{\infty} e^{- s t} f (t) d t$

posader86 2022-07-30

Solve the triangle
a = 3, b = 2 and alpha = 40 degrees

Macioccujx 2022-07-30

Solve the problem.
$\sin 2 x - \sin 4 x$

Freddy Friedman 2022-07-30

Given:KM = 35, KL = 2x-5, LM = 2x. Prove: KL=15

Darian Hubbard 2022-07-28

Find the perimeter of a triangle whose vertices are the points A(-2,1) B(1,3) and C(4,-3)?

Awainaideannagi 2022-07-27

Prove that if a triangle contains one right or obtuse angle, then the other two angles must be acute. (Note: You may not use the fact that the sum of the angles in a triangle is 180 degrees.)

Elianna Lawrence 2022-07-27

Complete the identity. $\frac{\cos 4 x - \cos 8 x}{\cos 4 x + \cos 8 x}$

Bernard Boyer 2022-07-27

$h (t) = \cot (t)$
[(3.14)/(4), ((3)(3.14)/(4))]
Find the average rate of change of the function over the given interval or intervals.

Libby Owens 2022-07-27

t is a real number and P=(x,y) is the point on the unit circlethar corresponds to t. Find the exact values of the six trigonometric functions of t.
$(\frac{1}{2}, \frac{- \sqrt{3}}{2})$

Emmanuel Pace 2022-07-27

Complete the identity.
$\sin^{2} θ / 2 = ?$

Kade Reese 2022-07-26

Prove the given identities.
1. $\cos^{4} (x) - \sin^{4} (x) = \cos (2 x)$
2. $\frac{1 - \cos (X)}{1 + \cos (X)} = \tan^{2} (\frac{x}{2})$

Leila Jennings 2022-07-26

Solve the trigonometric equations on the interval $0 \leq θ < 2 π$ .
(32) $4 (1 + \sin θ) = \cos^{2} θ$
(38) $\sec θ = \tan θ + \cot θ$
(40) $\sqrt{3} \sin θ + \cos θ = 1$

vangstosiis 2022-07-25

How do you find $\tan (20)$ using the unit circle?

Darryl English 2022-07-25

the solid lies between planes perpendicular to the x-axis at x=-1 and x=1. the cross-sections perpendicular to the x-axisare
a. circles whose diameters stretch from the curve $y = - \frac{1}{\sqrt{1 + x^{2}}}$ to the curve $y = \frac{1}{\sqrt{1 + x^{2}}}$
b. vertical squares whose base edges run along the same ends

Nelson Jennings 2022-07-25

Show that f is continuous on $(- \infty, \infty)$ .
$f (x) = {\begin{cases} \sin (x) i f x < π / 4 \\ \cos (x) i f x \geq π / 4 \end{cases}$

Rapsinincke 2022-07-16

Find all values of x in the interval $[0, 2 π]$ that satisfy the equation:
$2 + \cos 2 x = 3 \cos x$

Ellen Chang 2022-07-16

Find all values of x in the interval $[0, 2 π]$ that satisfy the equation:
$3 \cot^{2} x = 1$

Kyle Sutton 2022-07-16

Find all values of x in the interval $[0, 2 π]$ that satisfy the equation:
$2 \cos x - 1 = 0$

kolutastmr 2022-07-16

Transforming the equation $\cot x - \cos x = 0$ into the form $\cos x (1 - \sin x) = 0$

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Trigonometry

Trigonometry Problems - Basics, Advanced & Examples