Advertisements
Advertisements
प्रश्न
In ΔABC, ∠ABC = 90° and ∠ACB = θ. Then write the ratios of sin θ and tan θ from the figure.
Advertisements
उत्तर
sin θ = `("AB")/("AC")` and tan θ = `("AB")/("BC")`
APPEARS IN
संबंधित प्रश्न
If cot θ = `7/8`, evaluate cot2 θ.
In ΔABC, right angled at B. If tan A = `1/sqrt3` , find the value of
- sin A cos C + cos A sin C
- cos A cos C − sin A sin C
State whether the following are true or false. Justify your answer.
cos A is the abbreviation used for the cosecant of angle A.
State whether the following are true or false. Justify your answer.
cot A is the product of cot and A.
If `tan theta = a/b`, find the value of `(cos theta + sin theta)/(cos theta - sin theta)`
If 3 cot θ = 2, find the value of `(4sin theta - 3 cos theta)/(2 sin theta + 6cos theta)`.
If `sec θ = 13/5`, show that `(2 sin θ - 3 cos θ)/(4 sin θ - 9 cos θ) = 3`.
if `cot theta = 3/4` prove that `sqrt((sec theta - cosec theta)/(sec theta +cosec theta)) = 1/sqrt7`
Evaluate the following
sin 45° sin 30° + cos 45° cos 30°
Evaluate the following
cos 60° cos 45° - sin 60° ∙ sin 45°
Evaluate the Following
`(sin 30^@ - sin 90^2 + 2 cos 0^@)/(tan 30^@ tan 60^@)`
Evaluate the Following
`sin 30^2/sin 45^@ + tan 45^@/sec 60^@ - sin 60^@/cot 45^@ - cos 30^@/sin 90^@`
`(sin theta)/(1 + cos theta)` is ______.
If sin θ + sin² θ = 1, then cos² θ + cos4 θ = ______.
If 4 tanθ = 3, then `((4 sintheta - costheta)/(4sintheta + costheta))` is equal to ______.
Find the value of sin 0° + cos 0° + tan 0° + sec 0°.
In the given figure, if sin θ = `7/13`, which angle will be θ?
Find an acute angle θ when `(cos θ - sin θ)/(cos θ + sin θ) = (1 - sqrt(3))/(1 + sqrt(3))`
In ΔBC, right angled at C, if tan A = `8/7`, then the value of cot B is ______.
