Home
Class 12
MATHS
If sin2theta=cos3theta and theta is an a...

If `sin2theta=cos3theta` and `theta` is an acute angle , then `sintheta` is equal to

A

`(sqrt(5)-1)/(4)`

B

`-((sqrt(5)-1)/(4))`

C

`(sqrt(5)+1)/(4)`

D

`(-sqrt(5)-1)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    MTG-WBJEE|Exercise WB JEE WORKOUT (CATEGORY 2 Single Option Correct Type (1 Mark) )|15 Videos

  • TRIGONOMETRIC FUNCTIONS

    MTG-WBJEE|Exercise WB JEE WORKOUT ( CATEGORY 3 One or More than One Option Correct Type (2 Mark))|15 Videos

  • THREE DIMENSIONAL GEOMETRY

    MTG-WBJEE|Exercise WE JEE PREVIOUS YEARS QUESTIONS (CATEGORY 1 : Single Option Correct Type)|10 Videos

  • VECTOR ALGEBRA

    MTG-WBJEE|Exercise WB JEE previous Years Questions (Single Option Correct Type) (1 mark)|9 Videos

Similar Questions

Explore conceptually related problems

If sin2 theta=cos3 theta and theta is an acute angle,then sin(theta) is equal to

If sin2 theta=cos3 theta and theta is an acute angle then sin theta is equal to

If sin2 theta-cos3 theta=0 and theta is acute then theta =

If 7 sin^2 theta +3 cos^2 theta = 4, and theta is a positive acute angle, then tan theta is equal to

If sqrt(3) sin theta = cos theta and theta" is an acute angle, find the value of " theta.

If (sin theta+cos theta)/(sin theta-cos theta)=3 and theta is an acute angle, then the value of (3sin theta+4cos theta)/(8cos theta-3sin theta) is: यदि (sin theta+cos theta)/(sin theta-cos theta)=3 तो (3sin theta+4cos theta)/(8cos theta-3sin theta) का मान ज्ञात करें ।

2(cos^(2)theta-sin^(2)theta)=1(theta is a positive acute angle),then cot theta is equal to

Evaluate the value of 2 tan^2 theta + cos^2 theta where theta is an acute angle and sin theta = cos theta

If sin theta = 1/2 and theta is acute then (3 cos theta -4 cos^(3) theta) is equal to