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Start learning 50% faster. Sign in nowSome letter are alphabets(I) + All alphabets are vowels(A) ⇒ Some letter are vowels(I) + Some vowels are consonants(I) ⇒ No conclusion. Hence, conclusion I does not follow. Some letter are alphabets(I) + All alphabets are vowels(A) ⇒ Some letter are vowels(I) ⇒ Probable conclusion ⇒ All vowels can be letters. Hence, conclusion II follows.
A person is standing at a point 120 meters away from a tower. The angle of elevation to the top of the tower is 60°. If the height of the tower increas...
Find the value of: (Sin2 60 ° X cos 30 ° X sec 60°)/tan 30°
What is the value of cos [(180 – θ)/2] cos [(180 – 9θ)/2] + sin [(180 – 3θ)/2] sin [(180 – 13θ)/2]?
Simplify (cos20°+sin 20°) /(cos20°-sin20°)
If
Given that 'θ' is an angle less than 120 ° , what is the value of 'θ' if it satisfies the equation 3cos 2 θ = 2 + sin 2
If 9 sinx + 40 cosx = 41 then find tanx.