3 years ago

P+Q+R=180 then to prove (cosp/sinq. sinr) + (cosq/sinr. sinp) + (cosr/sinp. sinq)=2

Mathematics

2 answers:

Blababa [14]3 years ago

8 0

typing it here will be problem

never [62]3 years ago

3 0

Answer:

hi byehi bye

Step-by-step explanation:

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