Advertisements
Advertisements
प्रश्न
If tan θ = cot 37°, then the value of θ is
पर्याय
37°
53°
90°
1°
Advertisements
उत्तर
53°
Explanation;
Hint:
tan θ = cot 37°
= cot (90° – 53°)
= tan 53°
The value of θ is 53°
APPEARS IN
संबंधित प्रश्न
if `tan theta = 3/4`, find the value of `(1 - cos theta)/(1 +cos theta)`
Evaluate.
`cos^2 26^@+cos65^@sin26^@+tan36^@/cot54^@`
Use trigonometrical tables to find tangent of 42° 18'
Evaluate:
`2(tan35^@/cot55^@)^2 + (cot55^@/tan35^@)^2 - 3(sec40^@/(cosec50^@))`
Prove that:
`1/(1 + sin(90^@ - A)) + 1/(1 - sin(90^@ - A)) = 2sec^2(90^@ - A)`
If 4 cos2 A – 3 = 0 and 0° ≤ A ≤ 90°, then prove that sin 3 A = 3 sin A – 4 sin3 A
Write the value of cos 1° cos 2° cos 3° ....... cos 179° cos 180°.
Sin 2A = 2 sin A is true when A =
In the given figure, if AB = 14 cm, BD = 10 cm and DC = 8 cm, then the value of tan B is ______.
Prove the following:
tan θ + tan (90° – θ) = sec θ sec (90° – θ)
