Question

19
(i) cos 30° (1 + tan 30°)​

Answer 1

Explanation:

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Answer 2

= cos 30 (1 + tan 30)

= √3/2 ( 1 + 1/√3)

= √3/2 ( √3+1/√3 )

= √3 X (√3+1 )

——————

2√3

= 3 + √3

——————

2√3

= 3+√3. √3

———— X –––

2√3 √3

= 3√3+3

———-—

6

= 3(√3+1)

—-------—

6

= √3+1

———

2