# High school trigonometry questions and answers

Recent questions in Trigonometry
Julia Chang 2022-09-22

### The conveyance of a triangular channel with side slope 1 horizontal: 1 vertical is expressed as K=C y8/3, where C equals$a\right)\frac{1}{n}\phantom{\rule{0ex}{0ex}}b\right)\frac{2\sqrt{2}}{n}\phantom{\rule{0ex}{0ex}}c\right)\frac{1}{2n}\phantom{\rule{0ex}{0ex}}d\right){2}^{\frac{8}{3}}$

Terry Briggs 2022-09-14

### The area of a right triangle is $32\sqrt{3}$. One of the acute angles is ${30}^{\circ }$. Find the length of the hypotenuse.

Sasha Hess 2022-09-14

### plane depictedParabola - GraphSquare trinomial$y=a{x}^{2}+bx+c$.Known coordinatespoints A (-5; 0) and B (20; 0)- intersection pointsgiven parabola with axisOx. Point C - Intersectiongiven parabola with axisOy - located aboveaxes from. It is also known thatAngle $ACB-{90}^{\circ }$.Specify the leading coefficient of the square trinomial (i.e. the number a)

ubwicanyil5 2022-09-13

### In an acute triangle ABC, the altitude AH is $6\sqrt{41}$ and the side AB is 50. Find $\mathrm{cos}B$.

Beckett Henry 2022-09-12

### The median of an equilateral triangle is 12 root of three. find his side.

Jimena Hatfield 2022-09-12

### The lines containing the bisectors of the exterior angles at vertices B and C of triangle ABC intersect at point O. find angle BOC if angle A is equal to $\alpha$.

souta5 2022-09-11

### The bisector of an equilateral triangle is $11\sqrt{3}$. find his side

Daniel Paul 2022-09-05

### Use an appropriate Half-Angle Formula to find the exact value of the expression.$\mathrm{cos}\left(15°\right)$

Gretchen Allison 2022-09-05

### Show that the subset S = {0,2,4,6,8} of Z10 is a subring. Does S have identity?

cyrilicesj 2022-09-05

### Complete the identity.$\mathrm{sin}\left(x+\frac{3\pi }{2}\right)=$?

Ciolan3u 2022-09-05

### Solve the identy. $\frac{1+\mathrm{sin}2x}{\mathrm{cos}x+\mathrm{sin}x}=\frac{\mathrm{cos}2x}{\mathrm{cos}x-\mathrm{sin}x}$

albiguguiismx 2022-09-05

ureq8 2022-09-04

### Complete the identity. ${\mathrm{sin}}^{2}\theta /2=$?

listgrein6u 2022-09-04

### A right triangle with sides 3 cm, 4 cm and 5 cm is rotated the side of 3 cm to form a cone. The volume of the cone so formed is:

Beckett Henry 2022-09-04

### Use a Sum-to-Product Formula to show the following.$\mathrm{sin}\left(130°\right)-\mathrm{sin}\left(110°\right)=-\mathrm{sin}\left(10°\right)$Use a Sum-to-Product Formula for Sine and simplify.

Damon Cowan 2022-09-04

### Prove the following Identity: $\frac{{\mathrm{sin}}^{2}x-4\mathrm{sin}x+3}{{\mathrm{cos}}^{2}x}=\frac{3-\mathrm{sin}x}{1+\mathrm{sin}x}$

albiguguiismx 2022-09-04

### 7. The formula for the area of a triangle is $A=\frac{1}{2}bh$ a. Solve the formula for h.

dizxindlert7 2022-09-04

### The hypotenuse of a right triangle is 1 cm more than twice the shorter leg, and the longer leg is 9 cm less than three times the shorter leg. Find the lengths of the three sides of the triangle.

Mutignaniz2 2022-09-04

### If the hypotenuse of a right triangle is 1m more than the longer leg, and the shorter leg is 7m, find the length of the longer leg.

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