/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q. 28 Find the exact value of the expr... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 8: Q. 28 (page 516)

Find the exact value of the expression-

sec35掳csc55掳-tan35掳cot55掳

Short Answer

Expert verified

The required value is,

sec35掳csc55掳-tan35掳cot55掳=1

Step by step solution

01

Step 1. Given information

Given expression,

sec35掳csc55掳-tan35掳cot55掳

02

Step 2. Calculation

Solving the given expression,

sec35掳csc55掳-tan35掳cot55掳=sec35掳csc90掳-35掳-tan35掳cot(90掳-35掳)=sec35掳sec35掳-tan35掳tan35掳 -----------csc(90掳-胃)=sec胃,cot(90掳-胃)=tan胃

=sec235掳-tan235掳=1 -------------we know,1+tan2胃=sec2胃

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

an object attached to a coiled spring is pulled down a distance a from its rest position and then released. Assuming that the motion is simple harmonic with period T, write an equation that relates the displacement d of the object from its rest position after t seconds. Also assume that the positive direction of the motion is up:

a=5.T=2seconds

Find the real solutions, if any, of the equation 3x2+1=4x.

Finding the Height of an Airplane An aircraft is spotted by two observers who are 1000 feet apart. As the airplane passes over the line joining them, each observer takes a

sighting of the angle of elevation to the plane, as indicated in the figure. How high is the airplane?

Find the area of the triangle. Round answer to two decimal places.

A=40掳,B=20掳,a=2

For any triangle, derive the formula a=bcosC+ccosB

Hint:UsethefactthatsinA=sin180鈭�-B-C
See all solutions

Recommended explanations on Math Textbooks

Mechanics Maths

Read Explanation

Pure Maths

Read Explanation

Applied Mathematics

Read Explanation

Probability and Statistics

Read Explanation

Geometry

Read Explanation

Discrete Mathematics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.