Home
Class 10
MATHS
If 1-cos^(2)theta=(3)/(4) ,then sin thet...

If `1-cos^(2)theta=(3)/(4)` ,then sin `theta` is:

A

`(sqrt(3))/(2)`

B

`(1)/(2)`

C

1

D

0

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION TO TRIGONOMETRY

    OSWAAL PUBLICATION|Exercise TOPIC -1 TRIGONOMETRIC RATIOS : COMPLEMENTARY ANGLES & VALUE (VERY SHORT ANSWER TYPE QUESTIONS)|8 Videos

  • INTRODUCTION TO TRIGONOMETRY

    OSWAAL PUBLICATION|Exercise TOPIC -1 TRIGONOMETRIC RATIOS : COMPLEMENTARY ANGLES & VALUE (SHORT ANSWER TYPE QUESTION)|8 Videos

  • CONSTRUCTIONS

    OSWAAL PUBLICATION|Exercise TEXTBOOK CORNER (EXERCISE 6.2) |1 Videos

  • KARNATAKA SECONDARY EDUCATION EXAMINATION BOARD (MODEL QUESTION PAPER)

    OSWAAL PUBLICATION|Exercise QUESTION|42 Videos

Similar Questions

Explore conceptually related problems

If (cos^(3) theta )/( (1- sin theta ))+( sin^(3) theta )/( (1+ cos theta ))=1+ cos theta , then number of possible values of theta is ( where theta in [0,2pi] )

If 7sin^(2)theta+3cos^(2)theta=4 and theta is acute then show that cot theta=sqrt(3)

If tan((pi)/(2) sin theta )= cot((pi)/(2) cos theta ) , then sin theta + cos theta is equal to

Prove that (cos^(2) theta)/(1-tan theta)+(sin^(3) theta)/(sin theta - cos theta) =1 + sin theta cos theta .

(sin^(2) theta)/(1-cos theta)-(cos^(2) theta)/(1-sin theta)=cos theta-sin theta

If a sin^(3) theta + b cos^(3) theta = sin^(3) theta * cos theta and a sin theta - b cos theta=0 , then prove that a^(2)+b^(2)=1 .

If |(1+sin^(2)theta, cos^(2)theta, 4 sin 2 theta),(sin^(2) theta, 1+cos^(2)theta, 4sin2 theta),(sin^(2)theta, cos^(2)theta, 4 sin 2 theta-1)|=0 and 0 lt theta lt (pi)/2 then cos 4 theta=

If f (theta) = [[cos^(2) theta , cos theta sin theta,-sin theta],[cos theta sin theta , sin^(2) theta , cos theta ],[sin theta ,-cos theta , 0]] ,then f ( pi / 7) is

If 7sin^(2)theta +3cos^(2)theta = 4 and 'theta' is acute show that cot theta = sqrt(3) .

Solve 7 cos^(2) theta+3 sin^(2) theta=4 .