Math, asked by regards50, 10 months ago

sin^43.cos^47+cos^43.sin^47=1

Answers

Answered by gouravmahor

4

Step-by-step explanation:

sin43cos47+cos43sin47 =1

L.H.S. = R.H.S.

L.H.S.

sin43cos47 + sin47cos43

sin43 cos (90-43) +sin(90-43) cos43

sin43sin43+cos43cos43

sin²43+cos²43

1

that is R.H.S.

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