Home
Class 11
MATHS
Prove that sin^(2)47^(@)+sin^(2)43^(@)...

Prove that
`sin^(2)47^(@)+sin^(2)43^(@)=1`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRICAL FUNCTIONS

    ICSE|Exercise Exercise 4(a)|15 Videos

  • TRIGONOMETRICAL FUNCTIONS

    ICSE|Exercise Exercise 4(b)|19 Videos

  • TRIGONOMETRIC EQUATIONS

    ICSE|Exercise CHAPTER TEST |6 Videos

Similar Questions

Explore conceptually related problems

If A+B+C = pi , prove that : sin^(2)A +sin^(2)B +sin^(2)C = 2(1+cosAcosBcosC)

Prove that 2 sin 2^(@)+4sin 4^(@)+6sin 6^(@)+........+180sin 180^(@)=90 cot 1^(@) .

Prove that : sin^(2) 6x - sin^(2)4x = sin 2x *sin10x

Prove that : sin^(2)Acos^(2)B-cos^(2)Asin^(2)B=sin^(2)A-sin^(2)B

(a) Prove that sin65^(@)+cos65^(@)=sqrt(2)cos 20^(@) (b) Prove that sin47^(@)+cos77^(@)=cos17^(@)

Prove that: sin(45^(@)-A)sin(45+A)=1/2cos2A

Prove that sin 30 ^(@) = (1)/(2) .

In DeltaABC , prove that: sin^(2)A+sin^(2)B+sin^(2)C =2+2cosAcosBcosC.

Prove that : (tan47^(@))/(cot 43^(@))=1

Prove that : 2 sin^(2) A + cos^(4) A = 1 + sin^(4) A