Math, asked by moinaksaha2003, 2 months ago

sin 80°cos 20° + sin 45° cos 145° + sin 55°cos 245º = 0

Answers

Answered by lichi1997

1

See the above pic

I hope u this helps u

Attachments:

Previous Question

Next Question

Similar questions

Science, 1 month ago

what is photosynthesis...

English, 1 month ago

write a short diary of your most peculiar or memorable day during the summer vacations..!! please answer it correctly and you can take your own time..!! please don't answer if you don't know..!! best one will be marked as brainliest..!!

English, 1 month ago

5 sentences of object pronoun...

English, 2 months ago

what is the meaning of tramble...

Geography, 2 months ago

which winds are responsible for the rain experience over the great part of india...

English, 9 months ago

I know the work of the following a nurse ...

Math, 9 months ago

the income of A and B are in ratio a 7:5 their expense are in ratio of 9:8 an increase of Ace expenditure by hundred rupees and decrease of 20 expenditure by 200 rupees make their savings 400 each .find their income.urgently required ...

Physics, 9 months ago

a particle starts with a velocity of 2 metre per second moves in a straight line with acceleration=(-0.1) metre per second square time when it's displacement is 15 metre per second?