Home
Class 10
MATHS
If sin A =cos B , then prove that A+B =...

If `sin A =cos B , ` then prove that A+B `=90 ^(@)`

Text Solution

Verified by Experts

The correct Answer is:
`rArr A+B =90 ^(@) `
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    NCERT GUJARATI|Exercise Do THIS|8 Videos

  • TRIGONOMETRY

    NCERT GUJARATI|Exercise TRY THIS|8 Videos

  • TANGENTS AND SECANTS TO A CIRCLE

    NCERT GUJARATI|Exercise Try this|2 Videos

Similar Questions

Explore conceptually related problems

If tan A= cot B, prove that A+ B = 90^(@)

If y= A sin x + B cos x , then prove that (d^(2)y)/(dx^(2)) +y= 0

If tan A =cot B where A and B are acute angles prove that A+B= 90 ^(@)

If x sin (a + y) + sin a cos (a + y)= 0 , then prove that (dy)/(dx)= (sin^(2) (a + y))/(sin a)

If A + B + C = 180^@ , then prove that sin 2 A+ sin 2B + sin 2C = 4 sin A sin B sin C

If x = a cos theta + b sin theta and y =asin theta-b cos theta , then prove that y^2 (d^2y)/(dx^2)-x(dy)/(dx)+y=0

If a,b,c are in HP, then prove that sin ^(2) ""(A)/(2), sin ^(2) ""(B)/(2), sin ^(2) ""(C )/(2) are also in HP.

If cos y= x cos (a + y) , with cos a ne +- 1 , prove that (dy)/(dx) = (cos^(2) (a + y))/(sin a)