Home
Class 11
MATHS
Prove that (3-4sin^(2)theta)/(cos^(2)t...

Prove that
`(3-4sin^(2)theta)/(cos^(2)theta)=3-tan^(2)theta`

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRICAL FUNCTIONS

    ICSE|Exercise Exercise 4(c)|12 Videos

  • TRIGONOMETRICAL FUNCTIONS

    ICSE|Exercise Exercise 4(d)|48 Videos

  • TRIGONOMETRICAL FUNCTIONS

    ICSE|Exercise Exercise 4(a)|15 Videos

  • TRIGONOMETRIC EQUATIONS

    ICSE|Exercise CHAPTER TEST |6 Videos

Similar Questions

Explore conceptually related problems

If costheta=(8)/(17) ,verify that (3-4sin^(2)theta)/(4cos^(2)theta-3)=(3-tan^(2)theta)/(1-3tan^(2)theta) .

Prove that (sin^(2)theta+cos^(2)theta)/(sec^(2)theta-tan^(2)theta)=1

Prove that : sin^(2)theta+cos^(4)theta=cos^(2)theta+sin^(4)theta

Prove that (tan^(2)2theta-tan^(2)theta)/(1-tan^(2)2thetatan^(2)theta)=tan 3 theta tan theta .

Prove that : (i) 1+(cos^(2)theta)/(sin^(2)theta)-"cosec"^(2)theta=0 (ii) (1+tan^(2)theta)/("cosec"^(2)theta)=tan^(2)theta

Prove that : (sin^(2)theta)/(cos theta)+cos theta=sec theta

Prove that: (a) (sin 2 theta)/(1+cos 2 theta)=tan theta (b) (1+sin 2 theta+cos 2theta)/(1+sin2 theta-cos 2 theta)=cot theta

Prove that sin^(4)theta-cos^(4)theta=sin^(2)theta-cos^(2)theta .

Prove that sin^(4)theta+2sin^(2)thetacos^(2)theta+cos^(4)theta=1

Prove that: (sin2theta)/(costheta cos3theta)+(sin4theta)/(cos3theta.cos5theta)+(sin6theta)/(cos5theta.cos7theta)+… to terms = 1/(2sintheta) [sec(2n+1)theta-sectheta]