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what is all silver tea cups in trignonmetery i cant understand its application and what is value of alpha in tan alpha=cot a/2

dvm srikant , 14 Years ago

Grade 10

1 Answers

maurya ksk

Last Activity: 12 Years ago

here ispecify alpla as a

Given,

tan a=cot a/2

cot(90-a)=cot a/2

so,

90-a=a/2

90=a+a/2

90=3a/2

a=90*2/3

a=60

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