Elleanor Mckenzie
2020-11-24
Answered

A triangle is given with one side equal to 18m (a) and angles laying on this side equal to $48}^{\circ$ (A) and $37}^{\circ$ (B). Find the ramaining angle (C) and sides (b and c).

You can still ask an expert for help

saiyansruleA

Answered 2020-11-25
Author has **110** answers

asked 2021-11-06

use the given function value(s), and trigonometric identities (including the cofunction identities), to find the indicated trigonometric functions.

$\mathrm{cos}\theta =\frac{1}{3}$

$\text{(a)}\mathrm{sin}\theta \text{}\text{}\text{}\text{}\text{}\text{}\text{}\text{}\text{}\text{}\text{(b)}\mathrm{tan}\theta$

$\text{(c)}\mathrm{sec}\theta \text{}\text{}\text{}\text{}\text{}\text{}\text{}\text{}\text{}\text{}\text{(d)}\mathrm{csc}(90-\theta )$

asked 2022-01-21

Prove in detail the inequality of this formula:

Let x, y, z positive real number and$\mathrm{\u25b3}ABS$ a triangle. $\left[ABC\right]$ denotes the triangle area and a, b, c the sides of the triangle. The inequality below is true:

$a}^{2}x+{b}^{2}y+{c}^{2}z\ge 4\left[ABC\right]\sqrt{xy+xz+yz$

Let x, y, z positive real number and

asked 2021-01-05

Solve

asked 2021-09-12

Verify the identify.

$\frac{{\mathrm{tan}}^{2}\theta}{\mathrm{sec}\theta +1}=\frac{1-\mathrm{cos}x}{\mathrm{cos}x}$

asked 2020-10-23

Which of the following are equivalence relations?

a. Is similar to for the set T of all triangles in a plane.

b. Has the same radius as for the set of all circles in a plane.

c. Is the square of for the set N.

d. Has the same number of vertices as for the set of all polygons in a

f. "<" for the set R.

asked 2022-07-02

Any ideas on how to solve this trig equation: $\mathrm{tan}(\pi /4+x)=3\mathrm{tan}(\pi /4-x)$?

asked 2022-06-07

The hyperbolic sine function, $\mathrm{sinh}(x)$ , is defined by the equation:

$\mathrm{sinh}(x)=\frac{{e}^{x}-{e}^{-x}}{2}$

Find a formula for its inverse,

${\mathrm{sinh}}^{-1}(x)$

$\mathrm{sinh}(x)=\frac{{e}^{x}-{e}^{-x}}{2}$

Find a formula for its inverse,

${\mathrm{sinh}}^{-1}(x)$