Math, asked by suhanikhune, 1 year ago

Given: sinA=3√ 5/2
Find: cosA

Answers

Answered by kumarGolu
1
sina=3,root5,/2
then cosA=…?
a/c to formula
sin2A+cos2A=1
(3root5/2)2+cos2=1
15/4+cos2=1
cos2=1-15/4
cos2=-11/4
cos=root-11/2...
That is my answer...
Golu Sharma




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