From the top of a tower,angles of depression of two objects P and Q seperated at a distance of 100(3-√3) are 45° and 60° respectively.The height of the tower is
Consider the following statements
1.There exists atleat one value of x between 0 and ∏/2 which satisfies the equation sin^4x-2sin²x-1=0
2.sin 1.5 > cos 1.5
Which of the above statements are correct?
The value of cosec²67+sec²57-cot²33-tan²23 is
ABC is a triangle right angled at B and AB:BC=3:4.What is sin A+ sin B+sin C equal to
Consider the following
1.cos A/(1-tan A) + sin A/(1-cot A)=sin A +cos A
2.(1-sin A-cos A)²=2(1-sin A)(1+cos A)
Which of the above identities are correct?
If p=√(1-sin x)/(1+sin x) ,q=(1-sinx)/cos x,r=cos x/(1+sin x),then which of the following is correct?
1.p=q=r
2.p²=qr
Select the correct answer