Trigonometry : Trigonometric Identities and Cofunctions of Complementary Angles

Find sin s Cot s = -1 / 3, s in quadrant IV Verify each trigoometric equation is an identity Write each function value in terms of the cofunction of a complementary angle. Find an angle Θ that makes each statement true Find cos(s+t) and cos(s-t) Please see the attached file for the fully formatted problems ...continues

Solving Trigonometric Equations

For the following trigonometric equation, find all solutions in the interval 0≤ θ ≤ 360 2 cot θ sec θ = 3

Evaluating Trigonmetric Expressions

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Evaluating Trigonometric Expressions and Equations of Lines

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Solving Trigonometric Equations

Solve each equation for solutions over the interval [0,2π) sin x + 2 = 3 2 sec x + 1 = sec x + 3 Solve each eqation for solutions over the interval [0º,360º) cos²Θ = sin²Θ + 1 4cos²Θ + 4cosΘ = 1 See attached file for full problem description.

A ranger in fire tower A spots a fire at a direction of 295 degrees. A ranger in fire tower B, located 45 miles at a direction of 45 degrees from tower A, spots the same fire at direction of 255 degrees. How far from tower A is the fire? From tower B?

A ranger in fire tower A spots a fire at a direction of 295 degrees. A ranger in fire tower B, located 45 miles at a direction of 45 degrees from tower A, spots the same fire at direction of 255 degrees. How far from tower A is the fire? From tower B? I need these example explained to me so that I might better understand the ...continues

Find the area covered by the chemical retardant.

1) In mountain communities, helicopters drop chemical retardants over areas which approximate the shape of an isosceles triangle having a vertex angle of 38 degrees. The angle is included by two sides, each measuring 20 ft. Find the area covered by the chemical retardant. 2) The chemical retardants are freight shipped from ...continues

How do I graph and solve the following type of problem in excel?

Using Excel to graph, prove whether the following equation could possibly be an identity or determine if it is definitely not an identity. Here is the problem: cos t(pi/2 +1)= -sin t

Trigonometric Identities

Match sec4 y – tan4 y to one of the following: • csc y • sec2 y+ tan2 y • 1+ tan y • csc y x cot y

Trigonometric Functions

Which one of the following trigonometric functions of x is not correct? Which one of the following trigonometric functions of x is not correct given that sin x > 0 and sec x = -2? • csc x = ( 2 sq rt 3) / 3 • cos x = - 1 / 2 • cot x = - ( sq rt 3 ) / 3 • tan x = - ( sq rt 3 ) / 2