Evaluate cos−1(−3√2) for the angles between 0° and 360°. I need two angles.
An alien on a distant planet realizes that using trigonometry and the distance to one of its moons it is possible to calculate the distance to the nearby sun. Let O be the center of the planet and...
Using this information, find the height of the building, in ft. Round to the nearest whole number.
prove that cos(90°-θ)/tan(180°+θ)=cos(360°-θ)
Find the values of P and Q such that sin 2x + sin x - sin 5x = sin 2x (P + Q cos 3x )
i cant figure this answer i pythagorean theorem to find c and it came out wrong then i use the sine rule to figure out the rest of the problem
In traveling across flat land, you see a mountain directly in front of you. Its angle of elevation (to the peak) is 3.5°. After you drive 11 miles closer to the mountain, the angle of elevation is...
In step please. need to find side "b"
In this case, explain how to graph D in terms of y.
cot(1/3pi) = tan(_____)
If tanx=−0.5 then tan(pi+x) = ?
A ladder of height 11 feet leans against a building so that the angle between the ground and the ladder is t∘, where 0<t<90. In terms of t, how high does the ladder reach on the building...
Two straight railroad tracks which intersect at an angle of 71 degrees are to be connected by the short circular track that is tangent to the intersecting tracks 320 ft from the intersection. Find...
I am in the 10th grade
The size of a pizza refers to it's diameter. A 14 inch pizza is sliced into 8 equal slices. Round each answer to 2 decimal places. What is the angle of each slice in degrees? I...
In two or more complete sentences, use your knowledge of the unit circle to describe why the following trigonometric equation is true. tan(-20°) = -tan(20°)
6cos^2 θ -8 sin θ cos θ = A + R cos (2θ + α)
solve 1+sinθ-2cos2θ=0 for 0≤θ≤180
find Theta by calculator And then find the given function of theta