Trigonometric Ratios CBSE NCERT Solutions Chapter 8 Exercise 8.2 Question 3
3. If tan (A+B) =
and tan(A-B) =
; O
(A+B)
, find A and B.
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Trigonometric Ratios CBSE NCERT Solutions Chapter 8 Exercise 8.2 Question 3
3. If tan (A+B) =
and tan(A-B) =
; O
(A+B)
, find A and B.
Trigonometric Ratios CBSE NCERT Solutions Chapter 8 Exercise 8.2 Question 2
2. Choose the correct option and justify your choice:
Trigonometric Ratios CBSE NCERT Solutions Chapter 8 Exercise 8.2 Question 1
1. Evaluate the following:
(i) sin 60
cos 30
+ sin 30
cos 60
(ii)
(iii)
)
(iv) (
(v) (
Values of Trigonometric ratios for 0, 30,45, 60 and 90 degrees
I have noticed that students cannot actually remember values of six trigonometric ratios (sin, cos, tan, cosec, sec and cot) for 0
, 30
, 45
, 60
and 90
. These values are used very often and it is recommended from my point of view that student should be able to tell the values instantly when asked.