हिंदी

If 4 sinθ = 3 cosθ, find tan2θ + cot2θ - Mathematics

Advertisements
Advertisements

प्रश्न

If 4 sinθ = 3 cosθ, find tan2θ + cot2θ

योग

उत्तर

4 sinθ = 3 cosθ

⇒ `(sin θ)/(cos θ) = (3)/(4)`

⇒ tan θ = `(sin θ)/(cos θ) = (3)/(4)`

⇒ cot θ = `(1)/(tanθ) = (4)/(3)`

tan2θ + cot2θ =

= `(3/4)^2 + (4/3)^2`

= `(9)/(16) + (16)/(9)`

= `(81 + 256)/(144)`

= `(337)/(144)`.

shaalaa.com
Reciprocal Relations
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 26: Trigonometrical Ratios - Exercise 26.1

APPEARS IN

फ्रैंक Mathematics [English] Class 9 ICSE
अध्याय 26 Trigonometrical Ratios
Exercise 26.1 | Q 23.1
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×