The triangles are congruent by SSS and HL. Triangles R S T and V W X are shown. Triangle R S T can be rotated about point S and
2 answers:
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Answer:
Given point (5,-12) falls into IV quadrant
<u>The right triangle with legs of 5 and -12, and hypotenuse is:</u>
- √5² + (-12)² = √25+144 = √169 = 13
<u>Value of sinθ, cosθ, and tanθ:</u>
- sin θ = -12/13
- cos θ = 5/13
- tan θ = -12/5
Answer:
see explanation
Step-by-step explanation:
Using the cosine and tangent trigonometric ratios and the exact values
cos30° = and tan30° =
, then
cos30° = =
=
( cross- multiply )
× m = 12 ( divide both sides by
)
m = ← rationalise by multiplying numerator/ denominator by
)
m = ×
=
= 4
-------------------------------------------------------------------------------
tan30° = =
=
( cross- multiply )
× n = 6 ( divide both sides by
)
n = ← rationalise the denominator
n = ×
=
= 2
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