English Medium इयत्ता १० - CBSE Question Bank Solutions for Mathematics

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))`.

If ` cot A= 4/3 and (A+ B) = 90°  `  ,what is the value of tan B?

If `cos B = 3/5 and (A + B) =- 90° ,`find the value of sin A.

If `sqrt(3) sin theta = cos theta  and theta ` is an acute angle, find the value of θ .

Write the value of tan10° tan 20° tan 70° tan 80° .

Write the value of tan1° tan 2°   ........ tan 89° .

Write the value of cos1° cos 2°........cos180° .

If tan A =` 5/12` ,  find the value of (sin A+ cos A) sec A.

`If sin theta = cos( theta - 45° ),where   theta   " is   acute, find the value of "theta` .