Question

Sinthita 1/4 costhita 1/5

Ko coseasthita me badle​

Answer 1

Answer:

cos17.95

Step-by-step explanation:

sin theta 1/4cos theta1/5

sin(90-89.75) cos1/5

cos18.75 cos1/5

cos(18.75 *1/5)

cos17.95

Answer 2

Answer:

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