1.

Tan 15°= cot please answer​

Answer»

tan 15 + cot 15

= sin 15 / COS 15 + cos 15 / sin 15

= (sin²15 + cos²15) / (sin 15 cos 15)

= 1 / (1/2 sin 30)

= 2 / sin 30

= 2 / (1/2)

= 4



Discussion

No Comment Found

Related InterviewSolutions