When e = 28°, which equation can be used to find the distance from point A to point B? O sin 28° 3 cos 28° 3 sin 28° O cos 28° = 3

Q: Find the angle 0, in radians that make the equation true; tan0=0

A:

Q: Use double- and half-angle formulas to find the exact value of the expression sin 22.5°.

A: Given: sin 22.5° To find: The exact value by using double and half-angle formula.

Q: 25° 65° 30 ft

A:

Q: Use a half-angle formula to find the exact value of the expression sin 15°.

A: Consider the following formula:…

Q: consider the equation sin theta = -0.8 what is the reference angle for theta

A: Given query is to find the reference angel of theta.

Q: Find the exact values of sin alpha, cosine alpha, tan alpha, csc Alpha, sec Alpha, and cot alpha,…

A:

Q: The angle addition formula for cosine is cos(a + 3) = cos a cos BF sin a sin 3. Use this formula to…

A: To find the value of given trigonometric expression

Q: с 52° B 12 A

A: This question is based on Trigonometric Ratios.

Q: Find the value of sec2 42° - cosec2 48°.

A: Given : sec242°-csc248° Concept: csc90-θ=secθ

Q: Find the exact value of cos105° using a half-angle formula. Show all work.

A:

Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.