Question

please give me 4 mark questions of chapter trigonometry class 10

I will follow, mark brainliest and give thanks 10 times to the most appropriate answer​

Answer 1

Answer:

Step-by-step explanation:

If 3sin θ – cos θ = p and sin θ –2 cos θ = q then prove that p2 + 2q2 – 2pq =

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