Home
Class 12
MATHS
If sin theta = a/(b+c) then show that co...

If `sin theta = a/(b+c)` then show that `cos theta = (2sqrt(bc))/(b+c) cos ((A)/(2))`

Promotional Banner

Topper's Solved these Questions

  • IPE:MAY-2018(TS)

    SRISIRI PUBLICATION|Exercise SECTION-C|13 Videos

  • IPE:MAY-2018(TS)

    SRISIRI PUBLICATION|Exercise SECTION-C|13 Videos

  • IPE:MAY-2018(AP)

    SRISIRI PUBLICATION|Exercise SECTION-C|7 Videos

  • IPE:MAY-2018[AP]

    SRISIRI PUBLICATION|Exercise SECTION-C (SAQs)|7 Videos

Similar Questions

Explore conceptually related problems

If a = (b-c) "sec" theta , then prove that tan theta = (2sqrt(bc))/(b-c) sin A/2 .

If sin theta=a/b cos theta=c/d then tan theta=

If acos theta -bsin theta =c, then show that asine theta + bcos =pm sqrt (a^(2)+b^(2)-c^(2))

If a cos theta - b sin theta = c then a sin theta + b cos theta=