Home
Class 12
MATHS
1-cos2theta =...

`1-cos2theta = `

A

`2sin^(2)theta`

B

`2cos^(2)theta`

C

`sin^(2)theta`

D

`2cos^(2)theta`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC RATIOS OF MULTIPLE ANGLES

    CHHAYA PUBLICATION|Exercise Very Short Answer Type Questions|12 Videos

  • TRIGONOMETRIC RATIOS OF MULTIPLE ANGLES

    CHHAYA PUBLICATION|Exercise Short Answer Type Questions|35 Videos

  • TRIGONOMETRIC RATIOS OF MULTIPLE ANGLES

    CHHAYA PUBLICATION|Exercise Comprehension Type|6 Videos

  • TRIGONOMETRIC RATIOS OF COMPOUND ANGLES

    CHHAYA PUBLICATION|Exercise Comprehension Type|6 Videos

  • TRIGONOMETRIC RATIOS [OR FUNCTIONS] OF POSITIVE ACUTE ANGLES

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Exams (Assertion -Reason Type )|2 Videos

Similar Questions

Explore conceptually related problems

The root of the equation 1-cos theta = sin ""theta /2 are -

sin2theta - cos2theta =1

Find the value of k from the following relations : 3 ( cos 2 phi - cos 2 theta) = 1- cos 2 theta cos phi , tan theta = ktan phi "where" theta and phi" are acute angles"

Simplify (1-cos theta ) (1+cos theta ) (1+ cot ^(2) theta) .

If tan theta =sqrt((3)/(2)), then the sum of infinity of the series, 1+2 (1-cos theta ) + 3 (1-cos theta ) ^(2) +4(1- cos theta )^(3)+… is-

If " " tan theta = 1/7 " and " tan phi = 1/3 " show that", cos 2 theta = sin 4phi

If cos 2 theta = - 1/2, "find the value of" cos theta

If cos^4 theta + cos^2 theta = 1 then the value of (tan^4 theta + tan^2 theta) is equal____

cos3theta + cos2theta = sin ((3theta)/2)+ sin (theta/2), 0 le theta le 2pi

If y=(1+sin theta+cos theta)/(1+sin theta-cos theta)," show that, " (dy)/(d theta)+(1)/(1-cos theta)=0 .