Forum

Trigonometric Functions

Prove that
sin ( ) tan tan
sin ( ) tan tan
x y x y
x y x y
+ +
=
− −
.

31/10/2024

Mathematics

11th (Science)

Trigonometric Functions

Find the value of tan
13
12
π
.

31/10/2024

Mathematics

11th (Science)

Trigonometric Functions

Find the value of sin 15°.

31/10/2024

Mathematics

11th (Science)

Trigonometric Functions

Prove that
5
3sin sec 4sin cot 1
6 3 6 4

31/10/2024

Mathematics

11th (Science)

Trigonometric Functions

Find the values of the trigonometric functions in Exercises 6 to 10.
6. sin 765° 7. cosec (– 1410°)
8. tan
19π
3
9. sin (–
11π
3
)
10. cot (–
15π
4
)

31/10/2024

Mathematics

11th (Science)

Trigonometric Functions

Find the values of other five trigonometric functions in Exercises 1 to 5.
1. cos x = –
1
2
, x lies in third quadrant.
2. sin x =
3
5
, x lies in second quadrant.
3. cot x = 4
3
, x lies in third quadrant.
4. sec x =
13
5
, x lies in fourth quadrant.
5. tan x = –
5
12 , x lies in second quadrant

31/10/2024

Mathematics

11th (Science)

The philosophy of constitution

How did your school celebrate the Constitution Day on November
26th?

31/10/2024

Political science

11th (Arts/Humanities)

The philosophy of constitution

Do you agree with the statement that “it is not clear why in a poor
developing country, certain basic socio-economic rights were
relegated to the section on Directive Principles rather than made
an integral feature of our Fundamental Rights”? Give reasons for
your answer. What do you think are the possible reasons for putting
socio-economic rights in the section on Directive Principles?

31/10/2024

Political science

11th (Arts/Humanities)

The philosophy of constitution

One of the limitations of the Constitution of India is that it does not
adequately attend to gender justice. What evidence can you give to
substantiate this charge? If you were writing the Constitution today,
what provisions would you recommend for remedying this limitation?

31/10/2024

Political science

11th (Arts/Humanities)

The philosophy of constitution

Why is it said that the making of the Indian Constitution was
unrepresentative? Does that make the Constitution
unrepresentative? Give reasons for your answer.

31/10/2024

Political science

11th (Arts/Humanities)