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Write ‘True’ or ‘False’ and justify your answer in each of the following: If cosA + cos^2A = 1, then sin^2A + sin^4A= 1.
25
Nov
Write ‘True’ or ‘False’ and justify your answer in each of the following: If cosA + cos^2A = 1, then sin^2A + sin^4A= 1. then sin^2A + sin^4A= 1. Write ‘True’ or ‘False’ and justify your answer in each of the following: If cosA + cos^2A = 1 November 25, 2020 Category: Chapter 8 - [...]
Write ‘True’ or ‘False’ and justify your answer in each of the following: root(1-cos^2 theta) sec^2 theta = tan theta
25
Nov
Write ‘True’ or ‘False’ and justify your answer in each of the following: root(1-cos^2 theta) sec^2 theta = tan theta Write ‘True’ or ‘False’ and justify your answer in each of the following: root(1-cos^2 theta) sec^2 theta = tan theta November 25, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class [...]
Write ‘True’ or ‘False’ and justify your answer in each of the following: The value of the expression (sin 80°- cos 80°) is negative.
25
Nov
Write ‘True’ or ‘False’ and justify your answer in each of the following: The value of the expression (sin 80°- cos 80°) is negative. Write ‘True’ or ‘False’ and justify your answer in each of the following: The value of the expression (sin 80°- cos 80°) is negative. November 25, 2020 Category: Chapter 8 - [...]
Write ‘True’ or ‘False’ and justify your answer in each of the following: The value of the expression (cos^2 23° – sin^2 67°) is positive.
25
Nov
Write ‘True’ or ‘False’ and justify your answer in each of the following: The value of the expression (cos^2 23° – sin^2 67°) is positive. Write ‘True’ or ‘False’ and justify your answer in each of the following: The value of the expression (cos^2 23° – sin^2 67°) is positive. November 25, 2020 Category: Chapter [...]
Write ‘True’ or ‘False’ and justify your answer in each of the following: tan 47 degree/ cot 43 degree = 1
25
Nov
Write ‘True’ or ‘False’ and justify your answer in each of the following: tan 47 degree/ cot 43 degree = 1 Write ‘True’ or ‘False’ and justify your answer in each of the following: tan 47 degree/ cot 43 degree = 1 November 25, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , [...]
A pole 6 m high casts a shadow 2√3 m long on the ground, then the Sun’s elevation is
25
Nov
A pole 6 m high casts a shadow 2√3 m long on the ground, then the Sun’s elevation is A pole 6 m high casts a shadow 2√3 m long on the ground then the Sun’s elevation is November 25, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
sin (45° + θ ) – cos (45° – θ) is equal to
25
Nov
sin (45° + θ ) – cos (45° – θ) is equal to sin (45° + θ ) – cos (45° – θ) is equal to November 25, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
lf sinθ – cosθ = 0, then the value of (sin^4 θ + cos^4 θ) is
25
Nov
lf sinθ – cosθ = 0, then the value of (sin^4 θ + cos^4 θ) is lf sinθ – cosθ = 0 then the value of (sin^4 θ + cos^4 θ) is November 25, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
lf 4 tanθ = 3, then (4sinθ−cosθ/4sinθ+cosθ) is equal to
25
Nov
lf 4 tanθ = 3, then (4sinθ−cosθ/4sinθ+cosθ) is equal to lf 4 tanθ = 3 then (4sinθ−cosθ/4sinθ+cosθ) is equal to November 25, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
The value of the expression ( sin^2 22 degree + sin^2 68 degree/ cos^2 22 degree + cos^2 68 degree + sin^2 63 degree + cos 63 degree sin 27 degree)
25
Nov
The value of the expression ( sin^2 22 degree + sin^2 68 degree/ cos^2 22 degree + cos^2 68 degree + sin^2 63 degree + cos 63 degree sin 27 degree) The value of the expression ( sin^2 22 degree + sin^2 68 degree/ cos^2 22 degree + cos^2 68 degree + sin^2 63 degree [...]