Question

-20 sint + 13 cost=0 find the value of t​

Answer 1

Value of t is tan⁻¹ (13 / 20)

Explanation:

Now, - 20 sint + 13 cost = 0

⇒ 20 sint = 13 cost

⇒ sint / cost = 13 / 20

⇒ tant = 13 / 20 [ ∵ tanA = sinA / cosA ]

⇒ t = tan⁻¹ (13 / 20)