English, asked by abhi2524, 1 year ago

if ABCD is a cyclic quadrilateral then cos (180 + A) + cos (180-B) +cos(180-C) + sin(90-D) with explanation

Attachments:

Answers

Answered by tanmaya2134

0

Answer:

cos(180+A)+cos(180-B)+cos(180-C)+sin(90-D)=0

Previous Question

Next Question

Similar questions

English, 6 months ago

how anne feank made joke of mr. keesing assignment and homework?

Social Sciences, 6 months ago

which party emerged as the fourth largest party in 2019 lok sabha elections...

English, 6 months ago

Look at the three different coloured letter boxes. What is each one used for? (2) (3)...

Math, 1 year ago

IN 5 years time, Rashma will be three times old as she was 9 years age. How old is she now ?

Math, 1 year ago

Prove that 1+1/ cos A = tan^2 A/sec A - 1...

Chemistry, 1 year ago

n-factor of h2so4 in the following reaction is Pb + PbO2 + H2so4 gives Pbso4 + h2O...

English, 1 year ago

I __ cook my food myself use any one rarely, seldom, hardly...

English, 1 year ago

thainattukaditham composition in english and 1000 words letter to mymother land in english and 1000 words...