Solving Trigonometry Equations and Problems with Examples and Tips

Find the exact value of $\tan (\frac{5 π}{6} + \frac{5 π}{4})$

alistianyStu 2022-11-24

Find whether the series diverges and its sum:
$\sum_{n = 1}^{\infty} (- 1)^{n + 1} \frac{3}{5^{n}}$

ucatzABI 2022-11-24

What is the formula of $\cos 3 θ$ ?

Jadiel Yates 2022-11-24

Find the value of $\sin 75^{\circ}$ .

Marques Flynn 2022-11-24

How do you calculate $\cot (x)$ derivative?

Talia Frederick 2022-11-23

$\sin θ = 0.6406$ find the value

Messiah Sutton 2022-11-20

Find:
$\tan^{- 1} (- \frac{\sqrt{3}}{3})$

Uriah Molina 2022-11-17

Given $z = 2 (\cos 85^{\circ} + i \sin 85^{\circ}) and w = 4 (\cos 22^{\circ} + i \sin 22^{\circ}),$ find
a. zw (leave answer in polar form)
b. $\frac{w}{z}$ (put answer in standart or rectangular form)

Taniya Melton 2022-10-29

Let $z = 3 (\cos π / 2 + i \sin π / 2)$ . Find the exact value of $z^{7}$ where 0 (less than equal to) theta (less than equal to) $2 π$ .
Find $(- 3 \sqrt{\frac{2}{2}} - 3 \sqrt{\frac{2}{2}} i)^{5}$
Find the three cube roots of $216 (\cos 315 ° + i \sin 315 °)$
Find the two square roots $- 8 - 8 \sqrt{3} i$ .
Solve $z^{3} = 27 i$ for all three roots
Find all three cube roots of $8 (\cos π + i \sin π)$

tikaj1x 2022-10-15

Solve
$\sin^{2} x - 1 - \cos 2 x = 0$

Wevybrearttexcl 2022-09-27

Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number.
$\frac{\tan (41^{\circ}) - \tan (11^{\circ})}{1 + \tan (41^{\circ}) \tan (11^{\circ})}$

Addyson Bright 2022-09-27

Find the acute angle $θ$ , to the nearest tenth of a degree, for the given function
$\sin θ = 0.6854$

zaiskaladu 2022-09-26

Solve $3 \cos^{2} θ + 5 \sin θ = 1$ for the domain $0 \leq θ \leq 2 π$

Haven Kerr 2022-09-26

Find the exact value of $arcsec (- \sqrt{2})$

Seamus Mcknight 2022-09-24

Measurement Systems Example $v = 8 \sin (150 t + p i / 2)$ determine the crest factor (dimensionless): 2 From Error! Reference source not found., determine the time at which the point corresponding to zero degrees of the sine wave occurs (ms): 2

Hagman7v 2022-09-23

Let $g (x, y) = \ln [\sin (\frac{x + a}{\sqrt{y}})]$ , where a is a constant. Find $\frac{d g}{d x}$ and $\frac{d g}{d y}$ .

Melina Barber 2022-09-20

Use the appropriate angle-sum formula to simplify the following expression: $\cos (2 π / 3) \cos (π / 6) - \sin (2 π / 3) \sin (π / 6) .$ .

Zachariah Norris 2022-09-20

Write the expression in terms of the 1st power of cosine:
$\sin^{4} x$

besnuffelfo 2022-09-18

The majority of Trigonometry Math problems are quite easy to solve when you have the list of answers that help you see the logic and reasoning. Looking at various examples will help you to see how certain questions are related to provided solutions.

Remember that Trigonometry requires patience and analysis. By following your analysis skills, you will help yourself find the answers. If something remains unclear, start with your exploration of examples again and go step-by-step.

Precalculus