Home
Class 11
MATHS
The following equations are impossible :...

The following equations are impossible :
`sin theta=-3," "cos theta=(5)/4," cosec"theta=(3)/(4)," sec"theta=(-4)/(5)`. Why ?

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRICAL FUNCTIONS

    ICSE|Exercise Exercise 4(a)|15 Videos
  • TRIGONOMETRICAL FUNCTIONS

    ICSE|Exercise Exercise 4(b)|19 Videos
  • TRIGONOMETRIC EQUATIONS

    ICSE|Exercise CHAPTER TEST |6 Videos

Similar Questions

Explore conceptually related problems

Prove that : (sin^(4)theta- cos^(4) theta+ 1) "cosec"^(2)theta=2

If 5 cos theta = 3 , evaluate : ("cosec" theta-cottheta)/("cosec" theta + cottheta)

Prove that : (sin 5theta + sin 3theta)/(cos 5theta + cos 3theta) = tan 4theta

Prove that (sin theta- "cosec" theta )(cos theta- sec theta )=(1)/(tan theta + cot theta).

Given : 4 sintheta = 3 cos theta , find the value of: cot^2 theta - "cosec"^2 theta

Find the general value of theta in sec theta - cosec theta = (4)/(3)

Solve : 3-2 cos theta -4 sin theta - cos 2theta+sin 2theta=0 .

Solve the following equation: sintheta+sin2theta+sin3theta+sin4theta=0

Prove that : sin theta cos^3 theta - cos theta sin^3 theta = 1/4 sin4theta .

1 + (cos 2 theta + cos 6 theta)/(cos 4 theta) = (sin 3 theta)/(sin theta).