NCERT Class 10
Prove that sec a (1-sin a) (sec a + tan a) =1
05
Oct
Prove that sec a (1-sin a) (sec a + tan a) =1 Prove that sec a (1-sin a) (sec a + tan a) =1 October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
Express the ratios cos A, tan A and sec A in terms of sin A.
05
Oct
Express the ratios cos A, tan A and sec A in terms of sin A. Express the ratios cos A tan A and sec A in terms of sin A. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
Express cot 85° + cos 75° in terms of trigonometric ratios of angles between 0° and 45°.
05
Oct
Express cot 85° + cos 75° in terms of trigonometric ratios of angles between 0° and 45°. Express cot 85° + cos 75° in terms of trigonometric ratios of angles between 0° and 45°. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
If sin 3a = cos(a – 26 degree),where 3a is an acute angle then find the value of a.
05
Oct
If sin 3a = cos(a – 26 degree),where 3a is an acute angle then find the value of a. If sin 3a = cos(a - 26 degree) where 3a is an acute angle then find the value of a. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 [...]
Evaluate tan 65 degree / cot 25 degree
05
Oct
Evaluate tan 65 degree / cot 25 degree Evaluate tan 65 degree / cot 25 degree October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
If sin(A-B) = 1/2 and cos(A+B) = 1/2,0 degree < A+B B, then find A and B.
05
Oct
If sin(A-B) = 1/2 and cos(A+B) = 1/2,0 degree < A+B B, then find A and B. 0 degree < A+B B If sin(A-B) = 1/2 and cos(A+B) = 1/2 then find A and B. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
In triangle PQR right angled at Q, PQ=3cm & PR=6cm. Determine angle QPR & angle PRQ.
05
Oct
In triangle PQR right angled at Q, PQ=3cm & PR=6cm. Determine angle QPR & angle PRQ. In triangle PQR right angled at Q PQ=3cm & PR=6cm. Determine angle QPR & angle PRQ. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
In triangle ABC right angled at B . AB=5cm and angle ACB =30` determine the lengths of the sides BC and AC.
05
Oct
In triangle ABC right angled at B . AB=5cm and angle ACB =30` determine the lengths of the sides BC and AC. In triangle ABC right angled at B . AB=5cm and angle ACB =30` determine the lengths of the sides BC and AC. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , [...]
In ΔOPQ, right angled at P, OP = 7 cm, OQ – PQ = 1 cm. Determine the values of sin Q and cos Q.
05
Oct
In ΔOPQ, right angled at P, OP = 7 cm, OQ – PQ = 1 cm. Determine the values of sin Q and cos Q. In ΔOPQ OP = 7 cm OQ - PQ = 1 cm. Determine the values of sin Q and cos Q. right angled at P October 5, 2020 Category: Chapter [...]
In right triangle ABC, right-angled at B, if tanA=1, then verify that 2sinAcosA=1.
05
Oct
In right triangle ABC, right-angled at B, if tanA=1, then verify that 2sinAcosA=1. if tanA=1 In right triangle ABC right-angled at B then verify that 2sinAcosA=1. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,