English Medium इयत्ता १० - CBSE Question Bank Solutions

Write the value of `(1 + cot^2 theta ) sin^2 theta`. 

Write the value of `(sin^2 theta 1/(1+tan^2 theta))`. 

Write the value of `(cot^2 theta -  1/(sin^2 theta))`. 

Write the value of `sin theta cos ( 90° - theta )+ cos theta sin ( 90° - theta )`. 

Write the value of ` cosec^2 (90°- theta ) - tan^2 theta`

Write the value of ` sec^2 theta ( 1+ sintheta )(1- sintheta).`

Write the value of `cosec^2 theta (1+ cos theta ) (1- cos theta).`

Write the value of ` sin^2 theta cos^2 theta (1+ tan^2 theta ) (1+ cot^2 theta).`

Write the value of `(1+ tan^2 theta ) ( 1+ sin theta ) ( 1- sin theta)`

Write the value of `3 cot^2 theta - 3 cosec^2 theta.`

Write the value of `4 tan^2 theta  - 4/ cos^2 theta`

Write the value of`(tan^2 theta  - sec^2 theta)/(cot^2 theta - cosec^2 theta)`

If  `sin theta = 1/2 , " write the value of" ( 3 cot^2 theta + 3).`

If `cos theta = 2/3 , " write the value of" (4+4 tan^2 theta).`

If `cos theta = 7/25 , "write the value of" ( tan theta + cot theta).`

If `cos theta = 2/3 , "write the value of" ((sec theta -1))/((sec theta +1))`

If 5 `tan theta = 4,"write the value of" ((cos theta - sintheta))/(( cos theta + sin theta))`

If 3 `cot theta = 4 , "write the value of" ((2 cos theta - sin theta))/(( 4 cos theta - sin theta))`

If `cot theta = 1/ sqrt(3) , "write the value of" ((1- cos^2 theta))/((2 -sin^2 theta))`

If `tan theta = 1/sqrt(5), "write the value of" (( cosec^2 theta - sec^2 theta))/(( cosec^2 theta - sec^2 theta))`.