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📏 trigonometry

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Exact Trig Values
1. Stating the problem: Find the exact values of the following trigonometric functions: (a) $\tan(\frac{\pi}{3})$
Angle Conversions
1. Convert degrees to radians. (a) Given $300^\circ$, use the formula $\text{radians} = \text{degrees} \times \frac{\pi}{180}$.
Trig Identities
1. **Problem statement:** Prove the following identities:
Angle Conversions
1. Convert from degrees to radians: (a) The formula to convert degrees to radians is $$\text{radians} = \text{degrees} \times \frac{\pi}{180}$$.
Trig Identities
1. **Prove** $\tan \theta \sin \theta + \cos \theta = \sec \theta$. Start from the left side (LHS):
Lighthouse Height
1. **State the problem:** Jimmy is on a ship 708 meters away from the base of a cliff. The angle of elevation to the top of the lighthouse on the cliff is 26 degrees. We need to fi
Lighthouse Height
1. Problem statement: Jimmy is on a ship 708 meters away from the base of a cliff. The angle of elevation from Jimmy to the top of the lighthouse on the cliff is $26^\circ$. 2. We
Angle Elevation
1. Stating the problem: We have a light post 5 m tall casting a shadow of 9.3 m. We need to find the angle of elevation of the sun at that time, denoted as $\theta$, rounded to two
Tree Height
1. **State the problem:** Eileen measures the angle of elevation to the top of a tree to be 42° from a point 27 metres away from the base. Find the height $h$ of the tree.
Right Angle Sides
1. **Problem Statement:** Find the lengths of the sides labeled $y$ and $z$ in two right-angled triangles where each triangle has a given side length adjacent to a given angle.
Triangle Side Lengths
1. **Problem (a):** Calculate the length of the side $w$, opposite the $15^\circ$ angle, in a right triangle with hypotenuse $10$ cm. 2. Use the sine function because sine relates
Angle Conversion
1. Let's clarify the problem: You have given two angle measures, 298° and 298.165°, and you mention two rectangles stacked vertically with quotation marks. The question seems uncle
Angle Conversion
1. The problem is to convert the angle 336° 44' 33'' to decimal degrees. 2. Recall that 1 degree ($1^\circ$) equals 60 minutes (') and 1 minute equals 60 seconds ('').
Bearing Calculation
1. **State the problem:** We need to find the bearing of point U from point T given that the angle between the vertical line from T to N and the line from T to U is 76° to the left
Understanding Tangent
1. To clarify your question, it seems you are asking about why the last function or expression involves the tangent function (tan). 2. The tangent function typically appears as the
Trig Mixed Problems
1. Solve for $\Theta$ in the equation $\sin \Theta - \sec \Theta + \csc \Theta - \tan 20^\circ = -0.0866$. - Calculate $\tan 20^\circ \approx 0.36397$.
Solve Trig Equation
1. State the problem: Solve the equation $$\sin(x) - \sqrt{\pi} \cos(x) = 0$$ for $x$. 2. Rearrange the equation to isolate terms: $$\sin(x) = \sqrt{\pi} \cos(x)$$.
Sin Root Pi Cos
1. Stated problem: Simplify or analyze the expression $$\sin(x) - \sqrt{\pi} \cos(x).$$ 2. Understanding the expression: This is a linear combination of sine and cosine functions w
Tan Equation Solve
1. **State the problem:** We need to show that the equation $$\tan 2x = 5 \sin 2x$$ can be written as $$(1 - 5 \cos 2x) \sin 2x = 0$$ and then solve this equation for $0 \leq x \le
Sine Graph Transformations
1. The problem asks to analyze the graph transformations for sine functions. 2. Part (a) asks the transformation mapping from $y=\sin x$ to $y=\sin 5x$.
Expression Simplification
1. **State the problem:** Simplify the expression $$(1+\cot A - \csc A)(1 + \tan A + \sec A)$$. 2. **Recall definitions:**