CPO 22: Date: 11/11/2022, Shift 1

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CPO 22: Date: 11/11/2022, Shift 1

Question 1

If 4 Cos θ + 3 Sin θ = x and 4 Sin θ − 3 Cos θ = y, find the value of x² + y².

यदि 4 Cos θ + 3 Sin θ = x और 4 Sin θ − 3 Cos θ= y है, तो x² + y² का मान ज्ञात कीजिए।

Options

A

16

B

25

C

1

D

9

Solution:

Correct Answer:

B

25

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