Question

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maths genius

In a right angle triangle ABC with right angle at B, in which a = 24 units, b = 25 units and ∠BAC = θ. Then, find cosθ and tanθ.

Answer 1

Answer:

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Step-by-step explanation:

Given that,

In Right angle triangle

b = 25units, a = 24units

∠ABC=90°,  ∠BAC=∅

By above we get,

AC = hypotenuse = 25units

BC = side opposite to ∠∅ = 24units

By applying Pythagoras theorem we get

AB = side adjacent to angle theta = 7units

Now we have,

cos∅ = side adjacent to ∠∅/hypotenuse

cos∅= 7/25

tan∅ = side opposite to ∠∅/side adjacent to ∠∅

Hence cos(theta) = 7/25

and tan(theta) = 24/25

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