Home
Class 11
MATHS
If DeltaABC is right triangle and if ang...

If `Delta`ABC is right triangle and if `angleA = (pi)/(2)`, then prove that
`sin^(2) B + sin^(2)C = 1`

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    PREMIERS PUBLISHERS|Exercise SOLUTION TO EXERCISE 3.8|18 Videos

  • TRIGONOMETRY

    PREMIERS PUBLISHERS|Exercise SOLUTION TO EXERCISE 3.9|15 Videos

  • TRIGONOMETRY

    PREMIERS PUBLISHERS|Exercise SOLUTION TO EXERCISE 3.6|21 Videos

  • SETS,RELATIONS AND FUNCATIONS

    PREMIERS PUBLISHERS|Exercise II. Choose the correct option for the following. (M.C.Q)|35 Videos

  • TWO DIMENSIONAL ANALYTICAL GEOMETRY

    PREMIERS PUBLISHERS|Exercise PROBLEM FOR PRACTICE (CHOOSE THE CORRECT OPTION)|28 Videos

Similar Questions

Explore conceptually related problems

If Delta ABC is right triangle and if angleA = (pi)/(2) , then prove that cos^(2)B + cos^(2)C = 1

If Delta ABC is right triangle and if angleA = (pi)/(2) , then prove that cos B - cos C = -1 + 2 sqrt(2) cos"" (B)/(2) sin"" (C )/(2) .

If triangleABC is a right triangle and if angleA=pi/2 , then prove that (i) cos^(2) B+cos^(2)C=1 (ii) sin^(2) B+sin^(2) C=1 cos B-cos C=-1+2 sqrt2 cos""B/2sin ""C/2

If in a triangle ABC , a=5,b=4 ,A = (pi)/( 2) +B then C

prove that a^2sin2B+b^2sin2A=4Delta

In a triangle ABC, prove that b^(2) sin 2C+c^(2) sin 2B=2bc sin A .

In a triangle ABC , a =2,b=3 and sin A = (2)/(3) then cos C=

In a right triangle ABC, right angled at B, if tan A=1, then verify that 2sinAcosA=1.

If A , B and C are interior angles of triangle ABC ,then show that sin ((B+C)/( 2) )=cos (A) /(2)

Prove that a^(2) sin 2B + b^(2) sin 2A = 4 Delta