Home
Class 12
MATHS
If cos theta=-(1)/(2) and piltthetalt(3p...

If `cos theta=-(1)/(2)` and `piltthetalt(3pi)/(2)`, then find the value of `4 tan^(2)theta-3cos ec^(2)theta`. Prove that, `cos 570^(@) sin510^(@)+sin(-330^(@))cos(-390^(@))=0`

Promotional Banner

Similar Questions

Explore conceptually related problems

If cos theta=-(1)/(2) and pi

If cos theta =-1/2 and piltthetalt3pi/2 ,find the value of 4tan^2 theta-3 cosec^2 theta .

Prove that: cos 570^0sin 510^0+sin(-330^0)cos(-390^0)=0

If cos theta=-(3)/(5) and pi

If sin theta - (4)/(5) and Cos theta = (3)/(5) find the value of Sin^(2) theta + cos^(2) theta

If sin theta = cos theta find the value of : 3 tan ^(2) theta+ 2 sin ^(2) theta -1

If tan theta=-(3)/(4) and (pi)/(2)

If cos theta=(-3)/(5),theta in(pi,(3 pi)/(2)), then the value of ((1+sin theta)/(tan theta)+cos2 theta) is

If sin theta_(1)+sin theta_(2)+sin theta_(3), then find the value of cos theta_(1)+cos theta_(2)+cos theta_(3)

If Sin theta = 4/5 and Cos theta=3/5 find the value of Sin^(2)theta+Cos^(2) theta