Question

tan theta = 18/5, find sin theta and cos theta​

Answer 1

Answer:

sin Ф= 18/√349 & cosФ= 5/√349

Step-by-step explanation:

as per the question, tan theta = 18/5

tan theta = opp/adj

sin theta = opp/hyp

cos theta= adj/hyp

so, by using pythagorus theorm ,

HERE WE HAVE TO FIND HYPOTENUSE

BECAUSE WE ARE KNOW, OPPOSITE SIDE = 18 AND ADJ SIDE= 5

√18²+5²= X

√324+25=X

√349=X

HENCE,sin Ф= 18/√349 & cosФ= 5/√349

Answer 2

Answer:

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