If sin theta = 1/4 and tan > 0 what is the value of cos theta

a. - square root of 15
b. square root of 15
c. square root of 15/4
d. - square root of 15/4

Option C.

Step-by-step explanation:

It is given in the question

and we have to calculate the value of

since we know that

It has been given in the question that means sine and cosine both are of same sign so we will positive sign of cosine.

Now by putting the value of in the formula given

Therefore option C. is the answer.

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step-by-step explanation:

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