Question

MATHEMA
TRIGONOMETRY
9.
10.
Matrix Matching :
Column - I
sin90° =
sec2 30°– tan 230º =
tan 90º =
sec 0º =
Column - II
a) 1
b) cosec 0°
c) tan 45º
d) cot 450 tan45°
12.
1.
DIAMOND PACKAGE
1.
Statement A:sin 90º =
-
2 tan 45º
1+tan²450
2 tan 30°
Statement B:tan 60º =
1-tan²30° -
a) Both A and B are true
c) A is true and B is false
b) Both A and B are false
d) A is false and B is true
TRIGONOMETRIC IDENTITIES​

Answer 1

Answer:

but a false b true

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