what is Tan(a)

what is Tan(a)

Simplift the expresslion by using angle formula

i know that the answer is 1/4 but i dont know how they solved it

If tan x = 20/21 and π < x < 3π/2 what is sin(x + π/2)?

(x2/16)+(y2/25)=1

Hello, I am having trouble with the following problem: If A and B are both acute angles and sin(A)=6/13 and cos(B)=48/49 find the value of cos9-A)-sin(-B). Write the answer as a simplified...

The arc length of a sector is equal to twice the radius. Express the arc length s as a function of the area a of the sector

Use left and right endpoints and the given number of rectangles to find two approximations of the area of the region between the graph of the function and the x-axis over the given interval. g(x)...

second derivation of x+1\x-1

Find the area of triangle ABC to the nearest tenth if AB = 14 ft, BC = 10 ft, and ∠ABC = 74°.

Points of Triangle NPQ N (-14, -1) P (10, -3) Q (6, 7)

Show work ALGEBRAICALLY. Only fractions or radicals. No rounded decimals.

Verify the identity tan 0 ( tan 0 + cot 0 ) = sec^2 0

what is cos X

what is tan(B)

For what value of θ is cosθ<sinθ when pi/2 ≤θ<3pi/2 So ...≤θ<....?

tan^3(θ)=3tan(θ) solve for all solutions.. please provide steps so I can follow

Find the equation for the hyperbola with vertices at (2,4) & (10,4) and foci 10 units apart

A person whose eye level is 20 feet above the ground is looking at a building. The angle of elevation to the top of the building is 31º and the angle of depression to the bottom of the building is...

Find the equation for parabola with vertex at (2,-4) and focus at (2,0)