Using trigonometric table evaluate the following: tan 25°45' + co… - Vidyadip

Question

Using trigonometric table evaluate the following:
tan 25°45' + cot 45°25'.

✓

Answer

tan 25°45' + cot 45°25'.
= 0.482 + 0.986
= 1.468.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[1 Mark Question Answer]" from Trigonometry→Trigonometry — all question types→Mathematics STD 10 question papers→ICSE Board STD 10 question papers→ICSE Board question paper generator→

Similar questions

Discuss the nature of the roots of quadratic equations : $-2x^2 + x + 1 = 0$

Graph the solution set for each inequality:
-3≤ x ≤3.

Use a ruler and compass only in this question.
Write down the geometrical name of the quadrilateral.

Which of the following lists of numbers form an A.P.? If they form an A.P., find the common difference d and write the next three terms : 1, 3, 9, 27,...

Find the remainder (without divisions) on dividing $f(x)$ by $x – 2$, where $f(x) = 2x^3 – 7x^2 + 3$

A bag contains 3 white, 5 black and 2 red balls, all of the same shape and size. A ball is drawn from the bag without looking into it, find the probability that the ball drawn is:
not a red ball.

Use tables to find the acute angle θ, if the value of tan θ is0.4741

Find: The sub-duplicate ratio of $256: 625$

Find the mode of the following data:
7, 9, 8, 7, 7, 6, 8, 10, 7 and 6

Solve for a, b and c if $\left[\begin{array}{cc}a & a-b \\ b+c & 0\end{array}\right]=\left[\begin{array}{cc}3 & -1 \\ 2 & 0\end{array}\right]$