If `sin 30^@=cos theta` then minimum value of `theta` is

The minimum value of sin theta is :

If a sin x+b cos(x+theta)+b cos(x-theta)=d then the minimum value of |cos theta| is equal to

If f(theta)=(sin theta+csc theta)^(2)+(cos theta+sec theta)^(2) then minimum value of f(theta) is 7894. None of these

If a sin x+b cos(x+theta)+b cos(x-theta)=d, then the minimum value of |cos theta| is equal to

If a sin x+b cos(x+theta)+b cos(x-theta)=d, then the minimum value of |cos theta| is equal to

Fill in the blanks If cos (67^@30)xxcosec(22^@30)=tan theta , then the minimum positive value of theta is_____.

If 0

If sin theta + cos theta =1, the value of sin theta cos theta is

The minimum value of sin theta.cos theta is

What is the minimum value of (sin^2theta+cos^4theta) ?