Math, asked by sriramsri1453, 7 months ago

If sin theta +cos theta = p then cos²2theta is

Answers

Answered by bodakuntalacchanna

1

Answer:

sin Ø + cos Ø=p

cos Ø=p- sinØ

Squaring on both sides

(cos Ø)² =(p-sinØ)²

cos²Ø=(p)²+(sinØ)²-2(p)(sinØ)

cos²Ø=p²+sin²Ø-2p•sinØ

Answered by shijithpala

0

Answer:

P4+2P2

Step-by-step explanation:

Mark as brainliest if it deserves..

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