Math, asked by sonai1, 1 year ago

prove that cos510 cos330+sin390 cos120=1 fast!!!

Answers

Answered by schandiri

2

it is not possible because sin and cos must below 90*

schandiri: i got it please repost the question so that i can answer it i got after i tried alot but i got -1

sonai1: yea that' -1 ....sry

schandiri: i got the same

schandiri: plz repost the question i got it

schandiri: plz make it the brianliest answer i need it only if u like to

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