Find the sign of the expression `sin theta + cos theta` when `theta = 100^0`

Find sin 2 theta when sin theta + cos theta= 1 .

Find theta if sin theta -cos theta lt0

The value of the expression sin^6 theta + cos^6 theta + 3 sin^2 theta. cos^2 theta equals

Find the sign of sin theta+cos theta for theta=140^(@)

If a sin theta+ b cos theta=0 ,then find theta

The maximum value of the expression 1/(sin^2 theta + 3 sin theta cos theta + 5cos^2 theta) is

The maximum value of the expression 1/(sin^2 theta + 3 sin theta cos theta + 5cos^2 theta) is

The maximum value of the expression 1/(sin^2 theta + 3 sin theta cos theta + 5cos^2 theta) is

If "cosec"^(2) theta + 2 cot^(2) theta=10 , then find the value of sin theta + cos theta when 0^(@) lt theta lt 90^(@)

Find "sin" 2theta when "sin" theta+cos theta=1 .