ixambee.com
New RBI Grade B 2025 Notification will come Soon! Enroll Here

    • My Home
      • Dashboard
      • My Account
      • My Courses
      • My Performance
      • Packages
      • Logout
    • youtube Free Videos
      Youtube VideosLive Classes RBI Grade BLive Classes SEBI Grade ALive Classes IBPS PO & RRB
    • Previous Year Paper
    • Exams
    • Online Course
    • Free Mock Test
    • General Awareness
    • Daily Practice
    • All Courses
    • Private Jobs New
    • Testimonials
    ixambee mentorbee
    1. Home
    2. Questions
    3. Quantitative Aptitude
    4. Trigonometry
    5. If cos θ + sec θ = √5, then the value of cos³ θ+ sec³ θ is:

    Question

    If cos θ + sec θ = √5, then the value of cos³ θ+

    sec³ θ is:
    B 2√5 Correct Answer Incorrect Answer
    C 1/√5 Correct Answer Incorrect Answer
    D √5 Correct Answer Incorrect Answer

    Solution

    cos θ + sec θ = √5 cos³ θ+ sec³ θ = (cos θ + sec θ)3 - 3 ×cos θ × sec θ (cos θ + sec θ) = (√5)3 - 3× cos θ×1/ cos θ (√5) =5√5 -3√5 =2√5

    Practice Next
      More Trigonometry Questions
    • Which distribution is often used to model the time between events in a Poisson process, such as the time between customer arrivals at a store?

    • A device that connects network with different protocols?

    • What is dynamic programming?

    • Which technique is used to address the issue of class imbalance in a classification task?

    • What is the function of an IP address in a computer network?

    • In CPU design, what does the Control Unit (CU) primarily handle?

    • Which of the following is an ethical consideration related to the use of AI?

    • What does the term "bandwidth" refer to in analog electronics?

    • Physical limitation of a signal is called?

    • In CPU design, what does the Control Unit (CU) primarily handle?

    Relevant for Exams:

    • SBI PO
    • SSC CGL
    • Management Aptitude Test (MAT)

    Please Register/Login to Download Question

    I Pledged to:

    Please Enter Details

    call-back
    Please enter Name We'll never share your email with anyone else.
    Please enter Correct Mobile Number We'll never share your email with anyone else.

    Thank You

    +91-9205524028 Available Mon-Sat (10 AM to 7 PM)

    [email protected]

    © ATOZLEARN EDUTECH PRIVATE LIMITED All rights reserved.

    Update Address

    Please enter complete address
    Please enter pincode
    Please enter State
    Please enter City

    Download the app

    ×
    QR Code
    Get Started with ixamBee

    Start learning 50% faster. Sign in now

    Please enter Mobile Number or Email Please enter valid Mobile Number or Email
    Please enter Mobile Number Please enter valid Mobile Number
    Email id already Exists Please Enter valid Email Address
    Please enter Mobile Number or Email Please enter valid Mobile Number or Email
    Mobile Number id already Exists Please Enter valid Mobile Number
    Please enter valid OTP Mail sent on your email

    Get Started with ixamBee

    Start learning 50% faster. Sign in now
    -->