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(i) "sin"theta cot theta + "sin"theta co...

(i) `"sin"theta cot theta + "sin"theta cosectheta = 1+ costheta`
(ii)`sectheta(1-"sin"theta) (sectheta+tantheta)=1`
(iii)`"sin"theta(1+"tan"theta)+costheta(1+cottheta)=sectheta+cosectheta`

Answer

Step by step text solution for (i) "sin"theta cot theta + "sin"theta cosectheta = 1+ costheta (ii)sectheta(1-"sin"theta) (sectheta+tantheta)=1 (iii)"sin"theta(1+"tan"theta)+costheta(1+cottheta)=sectheta+cosectheta by MATHS experts to help you in doubts & scoring excellent marks in Class 11 exams.

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Knowledge Check

  • What is the value of (sectheta-costheta)("cosec"theta-sintheta)(cottheta+tantheta) ?

    A
    1
    B
    2
    C
    `1sintheta`
    D
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