Advertisements
Advertisements
Question
cot θ + tan θ = cosec θ sec θ
Sum
Solution
डावी बाजू = cot θ + tan θ
= `cos θ/sin θ + sin θ/cos θ`
= `(cos^2 θ + sin^2 θ)/(sin θcos θ)`
= `1/(sin θcos θ)` .....[∵ sin2θ + cos2θ = 1]
= `1/sinθ . 1/cosθ`
= cosec θ . sec θ
= उजवी बाजू
∴ cot θ + tan θ = cosec θ sec θ
shaalaa.com
त्रिकोणमितीय नित्यसमानता
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
`sqrt((1 - sinθ)/(1 + sinθ))` = secθ - tanθ
जर tanθ + `1/tanθ` = 2 तर दाखवा की `tan^2θ + 1/tan^2θ` = 2
sec4A(1 - sin4A) - 2tan2A = 1
जर tan θ + cot θ = 2, तर tan2θ + cot2θ = ?
sec2θ + cosec2θ = sec2θ × cosec2θ हे सिद्ध करा.
sec2θ − cos2θ = tan2θ + sin2θ हे सिद्ध करा.
`(tan(90 - theta) + cot(90 - theta))/("cosec" theta)` = sec θ हे सिद्ध करा.
`sqrt((1 + cos "A")/(1 - cos"A"))` = cosec A + cot A हे सिद्ध करा.
sin4A – cos4A = 1 – 2cos2A हे सिद्ध करा.
जर cos A + cos2A = 1, तर sin2A + sin4A = ?
