Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Ex 6.5

Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Ex 6.5

Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 6 Trigonometry Ex 6.5

Multiple Choice Questions :

Question 1.

Question 3.
The value of tan 72° tan 18° is
(1) 0
(2) 1
(3) 18°
(4) 72°
Hint:

Solution:
(2) 1