Question

if cos theta minus sin theta is equal to root 2 Sin Theta prove that cos theta + sin theta is equal to root 2 Sin Theta

Answer 1

Mistake in the question.
To prove: cos theta + sin theta = ​root 2 cos theta.....

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Answer 2

Answer:

Step-by-step explanation:

If cosΦ+sinΦ=√2cosΦ show that cosΦ-sinΦ=√2sinΦ