Home
Class 11
MATHS
" (b) "(cos A)/(1-sin A)=(1+cos A+sin A)...

" (b) "(cos A)/(1-sin A)=(1+cos A+sin A)/(1+cos A-sin A)

Text Solution

Verified by Experts

`3x-7y^2+3xyz=3(2)-7(-4)^2+3(2)(-4)(1)`
`=6-7xx16-6xx4`
`=6-112-24`
`=6-136`
`=130`
Promotional Banner

Similar Questions

Explore conceptually related problems

(cos x)/(1-sin x)=(1+cos x+sin x)/(1+cos x-sin x)

(sin A)/(1+cos A)=(1-cos A)/(sin A)

(cos A)/(1+sin A)+(1+sin A)/(cos A)

(1+cos A)/(sin A)+(sin A)/(1+cos A)=(2)/(sin A)

(1/(cos A) + (sin A)/(cos A))

(1-cos A)/(sin A)=(sin A)/(1+cos A)

Prove: (1+cos A)/(sin A)=(sin A)/(1-cos A)

Prove that (1 + sin2A) / (cos2A) = (cos A + sin A) / (cos A-sin A)

(sin A) / (1-cos A) - (1-cos A) / (sin A) =

(cos A)/(1+sin A)+(sin A)/(cos A)=sec A