TEKS.MATH.9-12.III.A.3

sin(7π/4)

• 1/2
• -√2/2
• √2/2
• -1/2

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TEKS.MATH.9-12.III.A.3

Find side length X.

• 30
• 25
• 15
• 40

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TEKS.MATH.9-12.III.A.3

A 25ft ladder is leaning up against a wall. If the ladder makes a 63^o with the ground, how far is the base of the ladder from the wall?

• 12.4 ft
• 11.3 ft
• 22.3 ft
• 49.1 ft

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TEKS.MATH.9-12.III.A.3

What is the correct ratio?

• sin 40 = w/28
• cos 40 = w/28
• tan 40 = w/28
• sin 40 = 28/w

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TEKS.MATH.9-12.III.A.3

What is cos 90°?

• ½
• undefined
• 1
• 0

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TEKS.MATH.9-12.III.A.3

sin(π/2)

• 1
• 0
• -1
• √2/2

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TEKS.MATH.9-12.III.A.3

What would you use to solve for x?

• Pythagorean Theorem
• Trig
• Inverse Trig

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TEKS.MATH.9-12.III.A.3

cosθ is positive in

• the 1st and 2nd quadrants
• the 1st and 3rd quadrants
• the 1st and 4th quadrants
• the 2nd and 3rd quadrants

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TEKS.MATH.9-12.III.A.3

Simplify: sin x cot x

• cos x

• sin x

• tan x

• sec x

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TEKS.MATH.9-12.III.A.3

Solve on the domain [0,2π)
cos x + 1 = 0

• 0
• No solution
• π
• 3π/2

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TEKS.MATH.9-12.III.A.3