Question

in the figure given below find the value of sinθ and cos∝.​

Answer 1

To Find :- value of sinθ and cos∝ ?

Answer :-

we know that,

• sin θ = Perpendicular / Hypotenuse .
• cos θ = Base / Hypotenuse .
• Side opposite to angle is perpendicular .

In right angled ∆PQR, we have,

• PQ = 12 cm.
• QR = 5 cm .
• PR = 13 cm (Hypotenuse) .
• ∠QPR = θ .
• ∠QRP = ∝ .

so,

→ sin θ = Perpendicular / Hypotenuse

→ sin θ = QR / PR

→ sin θ = (5 / 13) (Ans.)

and,

→ cos ∝ = Base / Hypotenuse .

→ cos ∝ = QR / PR

→ cos ∝ = (5 / 13) (Ans.)

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Answer 2

Step-by-step explanation:

i hope it's helpful....