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  • Cos 90 degrees, sin 30 degrees and tan 45 degrees are in AP or GP give reasons​

Cos 90 degrees, sin 30 degrees and tan 45 degrees are in AP or GP give reasons​

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cos90o = 0, sin30o=1/2, tan45o=1

0, 1/2 , 1 are in AP with common difference 1/2

They can't be in GP because first term is 0

hence GP will be in a,ar,ar^2....

a=0 therefore they are in AP

Posted by

Deependra Verma

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