Login
Remember
Register
Poraxali.com
Questions
Unanswered
Users
Ask a Question
Ask a Question
(1−tan^2 30º)/(1+tan^2 30º) is equal to (A) cos 60º (B) sin 60º (C) 1 (D) tan^2 60∘
0
votes
26
views
asked
Sep 8
in
Maths
by
Kabita
(
6.6k
points)
1−tan^2 30º/1+tan^2 30º is equal to
(A) cos 60º
(B) sin 60º
(C) 1
(D) tan^2 60∘
cbse
class 10
Facebook
Twitter
Please
log in
or
register
to answer this question.
1
Answer
0
votes
answered
Sep 8
by
Haren
(
268k
points)
Best answer
Correct option is
(A) cos 60º
(1−tan^2 30º)/(1+tan^2 30º) is equal to
cos 60º.
Please
log in
or
register
to add a comment.
Related questions
0
votes
1
answer
436
views
If perimeter of given triangle is 38 cm, then length AP is equal to (A)19 cm (B) 5 cm (C) 10 cm (D) 8 cm
asked
Sep 7
in
Maths
by
Priya
(
33.3k
points)
cbse
class 10
0
votes
1
answer
116
views
In the given figure, if △ OCA ∼△ OBD then ∠OAC is equal to (A) 58º (B) 55º (C) 128º (D) 52º
asked
Sep 7
in
Maths
by
Priya
(
33.3k
points)
cbse
class 10
0
votes
1
answer
979
views
If △ABC∼△PQR such that 3AB = 2PQ and BC=10 cm, then length QR is equal to (A) 10 cm (B) 15 cm (C) 20 3cm (D) 30 cm
asked
Sep 7
in
Maths
by
Priya
(
33.3k
points)
cbse
class 10
0
votes
1
answer
42
views
HCF OF (3^3 × 5^2 × 2), (3^2 × 5^3 × 2^2 ) and (3^4 × 5 × 2^3 ) is: (A) 450 (B) 90 (C) 180 (D) 630
asked
Sep 7
in
Maths
by
Priya
(
33.3k
points)
cbse
class 10
0
votes
1
answer
27
views
If θ = 30º then the value of 3tanθ is A)1 B) 1/√3 C) 3/√3 (D) not defined
asked
Sep 11
in
Maths
by
Priya
(
33.3k
points)
cbse
class 12
Categories
All categories
Biology
(74)
Science
(189)
Maths
(107)
English
(91)
Grammar
(92)
Education
(15)
Computer Science
(18)
Others
(31)
Economics
(23)
Geography
(27)
Social science
(73)
Business Studies
(15)
General Knowledge
(42)
History
(10)
...