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Recent questions tagged Trigonometric functions
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If in ∆ ABC, cotA+ cotB+cotC=cotx, then prove that, sin^3(x) =sin(A-x) sin(B-x) sin(C-x)?
asked
Jul 11, 2019
in
Class XII Maths
by
Swarna
(
5
points)
trigonometry
trigonometric functions
0
votes
1
answer
The value of sin 50° – sin 70° + sin 10° is equal to
asked
Feb 17, 2018
in
Class XI Maths
by
rahul152
(
-2,838
points)
trigonometric functions
0
votes
1
answer
If tan A = 1/2 and tan B = 1/3 then tan (2A + B) is equal to
asked
Feb 17, 2018
in
Class XI Maths
by
rahul152
(
-2,838
points)
trigonometric functions
0
votes
2
answers
The value of cos 12° + cos 84° + cos 156° + cos 132° is
asked
Feb 17, 2018
in
Class XI Maths
by
rahul152
(
-2,838
points)
trigonometric functions
0
votes
1
answer
cos 2 ϴ cos 2φ + sin2 (ϴ - φ) - sin2 (ϴ + φ) is equal is
asked
Feb 17, 2018
in
Class XI Maths
by
rahul152
(
-2,838
points)
trigonometric functions
0
votes
1
answer
The value of (π/4+ ) cot (π/4- ) is
asked
Feb 17, 2018
in
Class XI Maths
by
rahul152
(
-2,838
points)
trigonometric functions
0
votes
1
answer
The value of sin (45° + )- cos (45° – ) is
asked
Feb 17, 2018
in
Class XI Maths
by
rahul152
(
-2,838
points)
trigonometric functions
0
votes
1
answer
The value of tan 3A – tan 2A – tan A is
asked
Feb 17, 2018
in
Class XI Maths
by
rahul152
(
-2,838
points)
trigonometric functions
0
votes
1
answer
The minimum value of 3 cos x + 4 sin x + 8 is
asked
Feb 17, 2018
in
Class XI Maths
by
rahul152
(
-2,838
points)
trigonometric functions
0
votes
1
answer
If tan α = (m/m+1) and tan β = (1/2m+1), then α+β is equal to
asked
Feb 17, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
trigonometric functions
0
votes
1
answer
Which of the following is correct ?
asked
Feb 17, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
trigonometric functions
0
votes
1
answer
The value of tan 75° – cot 75° is equal to
asked
Feb 17, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
trigonometric functions
0
votes
1
answer
If tan θ = 3 and θ lies in the third quadrant, then the value of sin θ is
asked
Feb 17, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
trigonometric functions
0
votes
2
answers
The value of cos 1° cos 2° cos 3° … cos 179° is
asked
Feb 17, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
trigonometric functions
0
votes
1
answer
The value of (1-tan2 15°)/ (1+tan2 15°) is
asked
Feb 17, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
trigonometric functions
0
votes
1
answer
The value of tan 1° tan 2° tan 3° … tan 89° is
asked
Feb 17, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
trigonometric functions
0
votes
1
answer
Which of the following is not correct ?
asked
Feb 17, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
trigonometric functions
0
votes
1
answer
If tan θ = 1/2 and tan ϕ = 1/3, then the value of θ + ϕ is
asked
Feb 17, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
trigonometric functions
0
votes
0
answers
If f(x) = cos2 x + sec2 x, then ‘
asked
Feb 17, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
trigonometric functions
0
votes
1
answer
If sin + cosec =2, then sin2 + cosec2 is equal to
asked
Feb 17, 2018
in
Class XI Maths
by
vijay
Premium
(
539
points)
trigonometric functions
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