`Delta PQR `में `angleQ`एक समकोण है ,`PQ = 3, QR = 4 . `यदि `angle P = alpha " और " angleR = beta `, तब निम्नलिखित के मान ज्ञात करें ।
(i) `sin alpha " "(ii) cos alpha " "(iii) tan alpha" "(iv) sin beta " "(v) cos beta " "(vi) tan beta `

Explanation

`(i) 4/5 " "(ii) 3/5 " "(iii) 4/3 " "(iv) 3/5 " "(v) 4/5 " "(vi) 3/4`