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The value of \(sec\theta(1-sin\theta)(sin\theta+cos\theta)(sec\theta+tan\theta)\over sin\theta(1+tan\theta)+cos\theta(1+cot\theta)\) is equal to :
X can do a work in 3 days, Y does three times the same work in 8 days, and Z does five times the same work in 12 days. If they have to work together for 6 hours in a day, then in how much time can they complete the work?
If \( tan^2\theta + tan^4\theta = 1 \), then:
If \(3(cot^2\theta-cos^2\theta)=cos^2\theta\), \(0^0<\theta<90^0\), then the value of \((tan^2\theta+cosec^2\theta+sin^2\theta)\) is :
Which of the following is true for 0° < θ < 90° ?